An assembly car diagnostic tool of imported engines Hainan Mazda sedan. Automobile clean throttle soon after idling higher, in 1200r/min get down.
Pick-up: Remove the battery line to clear the original value of discovering idle returned to standard following the re-fitted. But driving a number of days after the emergence of reduced idle velocity, clean throttle again, and remove the idle velocity motor, this automobile idling motor rotary valve, cleaning the valve is closed, almost certainly due to this cause isn't cleaned clean idling motor is then removed from your throttle, and plug during the idling motor plug, turn the ignition switch, when the valve is open, refitted and re-cleaning agent valve, commissioning, usual idle.
Just after VAS 5054A a number of days of driving this auto once again to restore the failure at this time is definitely the idle velocity is too lower, cold substantial idle, minimal idle after sizzling auto, barely capable to reside car. Fault code read through through the decoder, show "system normal". See the data stream, the information movement is not really very exact, no reference value.
Right after inspection, identified that this car is outfitted with exhaust gasoline recirculation device suspect this device hairpin, pass into the exhaust gas to your intake manifold inside the idle state, brought about by idling too low phenomenon.
Then take away ELM327 the valve checked and observed that without a doubt, this kind of as evaluation, this valve is removed, then the motor part of the seat portion separate, direct hand pressure acting spool, clearly hairpin indicators, cleaning and thread loose agent lubricated, is often simply pressed, mounted retest the car, the engine idle velocity back to ordinary.
Summary: This car or truck is definitely the first failure is high idle speed, the main reason is not completely cleansing the throttle and idle valve, idle speed is also reduced failure later on phenomenon, the idle minimal failure since the exhaust fuel recirculation valve closed lax, resulting in idling some exhaust fuel immediately after combustion is involved in the combustion result in unstable engine work, induce idling adverse. Real restore often encountered this erratic idle poor fault phenomena, below regular conditions, may be deemed the exhaust gasoline recirculation valve closed lax, to observe the framework on the versions in the future servicing, should the exhaust gasoline The recirculation gadget, pay attention to its servicing inside a timely manner, in order to avoid equivalent failures.
http://obd2express.blogspot.com/2013/03/the-vw-magotan-engine-fault-lamp-is-lit.html
v2.23 kess v2 fw 7.020 ECU programmer
Wednesday, 20 March 2013
Friday, 15 March 2013
Chery to accelerate engine dysfunctional failure Result in Alternative
Failure phenomenon auto diagnostic tool: all through acceleration, the engine pace may well not be a corresponding improve, but dysfunctional, even flameout. The vehicle had cleaned the throttle body, change the spark plug failure remains.
Verify examination: the transfer of fault code display: 1, No. 34 and 35 in the engine ECU wiring disconnect. 2, battery failure. Learned through the circuit diagram, 34, as the key engine ECU ground wire, No. 35 for the engine ECU 12V electrical power input, it can be on the preliminary see that the engine the ECU provide lines exist poor get in touch with. So initially check the 34 main ground wire, electrical power provide fuse and also the engine ECU key relay No. 35, and found that the the shaking engine ECU key relay can occasionally Launch hear the sound of its contacts open. Then open the ECU principal relay uncovered its indicators of damp, make contact with ablation. Exchange the primary relay after the check, have improved relatively but nonetheless accelerate sluggish. Get fault code has no output, and each sensor injector is operating, but located that the fuel pressure inside the fault seems far reduced than the typical pressure, it can be concluded the difficulty together with the fuel supply method. Test the fuel filter, strain regulator fuel pump, fuel pump pace fluctuations fault seems, the fuel pump isn't operating properly, may be because of the fuel pump itself may well fuel pump line fault. Verify the fuel pump supply line, fuel pump relay output voltage instability, then unplug the relay and open to inspection located its coil moist, get in touch with ablation.
Troubleshooting: change the fuel pump relay following the test, the engine is operating back to ordinary.
Overview Summary: PDI Launch X431 GX3 consumer reflect prolonged in the past had cleaned the engine, clean the engine and bring about the engine ECU major relay and fuel pump relay internal moisture injury, which suggests that owners not use water to clean the engine.
http://obd2expresscouk.wordpress.com/2013/03/15/diagnosis-engine-fault-and-how-to-solve/
Verify examination: the transfer of fault code display: 1, No. 34 and 35 in the engine ECU wiring disconnect. 2, battery failure. Learned through the circuit diagram, 34, as the key engine ECU ground wire, No. 35 for the engine ECU 12V electrical power input, it can be on the preliminary see that the engine the ECU provide lines exist poor get in touch with. So initially check the 34 main ground wire, electrical power provide fuse and also the engine ECU key relay No. 35, and found that the the shaking engine ECU key relay can occasionally Launch hear the sound of its contacts open. Then open the ECU principal relay uncovered its indicators of damp, make contact with ablation. Exchange the primary relay after the check, have improved relatively but nonetheless accelerate sluggish. Get fault code has no output, and each sensor injector is operating, but located that the fuel pressure inside the fault seems far reduced than the typical pressure, it can be concluded the difficulty together with the fuel supply method. Test the fuel filter, strain regulator fuel pump, fuel pump pace fluctuations fault seems, the fuel pump isn't operating properly, may be because of the fuel pump itself may well fuel pump line fault. Verify the fuel pump supply line, fuel pump relay output voltage instability, then unplug the relay and open to inspection located its coil moist, get in touch with ablation.
Troubleshooting: change the fuel pump relay following the test, the engine is operating back to ordinary.
Overview Summary: PDI Launch X431 GX3 consumer reflect prolonged in the past had cleaned the engine, clean the engine and bring about the engine ECU major relay and fuel pump relay internal moisture injury, which suggests that owners not use water to clean the engine.
http://obd2expresscouk.wordpress.com/2013/03/15/diagnosis-engine-fault-and-how-to-solve/
Wednesday, 13 March 2013
Engine valve abnormal sound restore procedures
Ring while in the valve car diagnostic tool outdoor valve leakage is much more clear within the high-load, low pace, the sound is enhanced with all the load increases, largely reaming valve seat put on and tear because of improper operation or valve guide bore an excessive amount of, to ensure that the valve seat skewed or valve clearance, resulting in valve ablation cause valve near lax leak sound.
Treatment method method: Remove the cylinder head, grinding valve, check out valve spring stretch, re-adjust valve clearance.
(1) The valve percussion sound
Happens once the engine is idling valve stem occurred in between the finish of their drive continuous knocking sound, enhanced using the pace increases, the engine temperature alter or off the fire once the sound didn't change.
Key motives:
Adjusted valve clearance changes (wear among the lock is not solid, the valve stem together with the drive member), the valve is just not adjusted.
Worn Launch X431 GX3 valve adjustment screw locknut loose valve clearance is too substantial or inconsistent.
3 valve spring seat wear from the tank, the valve rod and catheter wear off very.
Technique: re-adjust the a superb valve clearance adjustment screw locknut loose really should be securely locked, the substitute of badly worn components.
(2) broken valve spring need to be replaced.
(3) valve seat ring, seat off
Valve seat Launch & X431 series surface roughness, substandard machining accuracy, the amount of interference optional seat improper Songkuang, improper selection in case of hot deformation is as well huge, or the valve seat inserts with craft undesirable.
Processing approach: In accordance together with the requirements of the assembly process re inlaid with valve seat flush on the face and body plane, the higher part Shuhei.
http://eobd21.xanga.com/772093135/overhaul-buick-poor-engine-acceleration/
Treatment method method: Remove the cylinder head, grinding valve, check out valve spring stretch, re-adjust valve clearance.
(1) The valve percussion sound
Happens once the engine is idling valve stem occurred in between the finish of their drive continuous knocking sound, enhanced using the pace increases, the engine temperature alter or off the fire once the sound didn't change.
Key motives:
Adjusted valve clearance changes (wear among the lock is not solid, the valve stem together with the drive member), the valve is just not adjusted.
Worn Launch X431 GX3 valve adjustment screw locknut loose valve clearance is too substantial or inconsistent.
3 valve spring seat wear from the tank, the valve rod and catheter wear off very.
Technique: re-adjust the a superb valve clearance adjustment screw locknut loose really should be securely locked, the substitute of badly worn components.
(2) broken valve spring need to be replaced.
(3) valve seat ring, seat off
Valve seat Launch & X431 series surface roughness, substandard machining accuracy, the amount of interference optional seat improper Songkuang, improper selection in case of hot deformation is as well huge, or the valve seat inserts with craft undesirable.
Processing approach: In accordance together with the requirements of the assembly process re inlaid with valve seat flush on the face and body plane, the higher part Shuhei.
http://eobd21.xanga.com/772093135/overhaul-buick-poor-engine-acceleration/
Monday, 11 March 2013
Diagnosis and troubleshooting of engine overheating
Engine auto diagnostic tool overheating is without a doubt a vicious failure, which immediately harm the engine, and in extreme instances can cause catching or strain in the piston and also the cylinder. So, the moment the engine overheating needs to be based on its distinct manifestations, exact diagnosis and timely exclude.
When all of a sudden overheated
Cars in operation, inside the case of your cooling program has become great, in the event the engine is abruptly overheating, mainly you can find basically the following:
1, the cooling method is really a significant leak coolant and overheat. On this regard, might be right with the observation of diagnostic and troubleshooting.
2, pump failure with the cooling water cycle interrupt and lead to the engine to overheat. Then could be made use of for the touch approach to diagnose the unique signs and symptoms of the engine temperature is high, when the radiator, especially its lower temperature is decrease. Within this regard, the response for the water pump fix or replace the water pump.
3, the broken water pump belt and overheating. The cautious servicing personnel or drivers could be learned through observation ammeter dynamic driving directions to discharge or charge indicator lights whilst the engine overheating, broken water pump belt.
4, the Launch & X431 series the Thermostat main valve off and stuck within the inlet pipe, hinder large circulation of cooling water, the engine water jacket pressure increased rapidly when the pressure reaches a certain level (large), the cooling water impulse catching the main valve to change position, conducting large circulation waterway. At this point, the boiling water with a lot of pressure impulse radiator cover appear strong "boil" phenomenon. This failure should change the thermostat.
Lack of cooling water overheating
Cooling water water shortage You will discover two scenarios: cooling water leakage or evaporation, water capacity is lower than the standard capacity.
1, the operation with the cooling water consumption excessive overheating. This shall check:
(1) water tank filled with water after, idling the engine, check the radiator, water pump the scuppers and Cooling ministries leakage phenomenon, if it really should be excluded;
(2) whether there is water from the check of the crankcase oil. Should the oil in water content response to engine the disintegration overhaul;
(3) Check whether the exhaust pipe drainage phenomenon. If so, it might be the cylinder pad washed out, so the water jacket and cylinder collusion. This needs to be checked and replaced the cylinder head gasket.
2, Cooling water Launch X431 GX3 capacity is lower than the standard capacity and overheating. The inspection methods:
(1) scale excessive. Primarily during the long-term water as the coolant from the engine, as the mileage increases, the water in contact with the cooling water jacket wall, the cooling tube on the scale will be gradually thicker, especially from the higher temperature portion. This makes the cooling surface of the cooling process will seem to have a layer of insulating material, difficult time to disperse the heat generated by the engine for power and overheating. Excessive scale, the choice from the scale cleaning agent, in accordance with the directions on the operation method to get rid on the scale.
(2) The tank is clogged. There was a liberation CA1091 car, often overheating. Capacity check, found far below the standard capacity, in the demolition of your water tank, the tank heavy original tank sludge, scale, yarn and other debris, a lot of your core tube blockage, clear fix overheating disappear.
Other causes overheating
http://obd2expresscouk.wordpress.com/2013/03/11/the-engine-can-not-be-started-rapid-fault-diagnosis-method/
When all of a sudden overheated
Cars in operation, inside the case of your cooling program has become great, in the event the engine is abruptly overheating, mainly you can find basically the following:
1, the cooling method is really a significant leak coolant and overheat. On this regard, might be right with the observation of diagnostic and troubleshooting.
2, pump failure with the cooling water cycle interrupt and lead to the engine to overheat. Then could be made use of for the touch approach to diagnose the unique signs and symptoms of the engine temperature is high, when the radiator, especially its lower temperature is decrease. Within this regard, the response for the water pump fix or replace the water pump.
3, the broken water pump belt and overheating. The cautious servicing personnel or drivers could be learned through observation ammeter dynamic driving directions to discharge or charge indicator lights whilst the engine overheating, broken water pump belt.
4, the Launch & X431 series the Thermostat main valve off and stuck within the inlet pipe, hinder large circulation of cooling water, the engine water jacket pressure increased rapidly when the pressure reaches a certain level (large), the cooling water impulse catching the main valve to change position, conducting large circulation waterway. At this point, the boiling water with a lot of pressure impulse radiator cover appear strong "boil" phenomenon. This failure should change the thermostat.
Lack of cooling water overheating
Cooling water water shortage You will discover two scenarios: cooling water leakage or evaporation, water capacity is lower than the standard capacity.
1, the operation with the cooling water consumption excessive overheating. This shall check:
(1) water tank filled with water after, idling the engine, check the radiator, water pump the scuppers and Cooling ministries leakage phenomenon, if it really should be excluded;
(2) whether there is water from the check of the crankcase oil. Should the oil in water content response to engine the disintegration overhaul;
(3) Check whether the exhaust pipe drainage phenomenon. If so, it might be the cylinder pad washed out, so the water jacket and cylinder collusion. This needs to be checked and replaced the cylinder head gasket.
2, Cooling water Launch X431 GX3 capacity is lower than the standard capacity and overheating. The inspection methods:
(1) scale excessive. Primarily during the long-term water as the coolant from the engine, as the mileage increases, the water in contact with the cooling water jacket wall, the cooling tube on the scale will be gradually thicker, especially from the higher temperature portion. This makes the cooling surface of the cooling process will seem to have a layer of insulating material, difficult time to disperse the heat generated by the engine for power and overheating. Excessive scale, the choice from the scale cleaning agent, in accordance with the directions on the operation method to get rid on the scale.
(2) The tank is clogged. There was a liberation CA1091 car, often overheating. Capacity check, found far below the standard capacity, in the demolition of your water tank, the tank heavy original tank sludge, scale, yarn and other debris, a lot of your core tube blockage, clear fix overheating disappear.
Other causes overheating
http://obd2expresscouk.wordpress.com/2013/03/11/the-engine-can-not-be-started-rapid-fault-diagnosis-method/
Thursday, 7 March 2013
Do not neglect the engine coke
Various forms of car ECU programmer engine function, due to the influence with the relevant aspects are more or significantly less deposit formation. The coke is actually a fuel or lubricating oil from the high temperature and oxygen under the action from the item formed. Engine do the job, lubricants of fuel or Cuanru combustor attainable combustion, the unburned a part of the fuel from the catalytic effect of large temperature and oxygen, the formation of your hydroxy acid and resinous glial, adhered to the surface of the component, and then Right after large temperature further shrunk to a complex mixture of asphaltene and oil coke quality, the so-called coke.
The cylinder head components With all the coke, and will decrease the cooling impact in the engine. Bad thermal conductivity of carbon deposition, the thermal conductivity of cast iron or steel 150, this can lead to the engine to overheat, the engine electrical power and economy are greatly reduced.
Piston in the top rated of coke, the formation of a lot of sizzling surface, creating early ignition and deflagration; carbon deposition elevated around the top rated on the piston and also the cylinder head, combustion chamber region decreases, the compression ratio will cause engine knocking, knocking, knocking, and abnormal put on, shorten the lifestyle from the engine.
Valve seat surface poly coke, will bring about the valve closed lax and leak, and the engine is difficult to start out, unable to do the job, as well as valve simple ablation undesirable phenomena.
Valve conduit and valve stem coke gumming, accelerate the valve stem and valve guidebook put on, and also result in the valve stem in the valve guides in the motion astringent stuck.
Deposits in the piston ring groove may cause piston ring side gap the backlash smaller sized, or no gap; side clearance gap by carbon deposition results without expansion; then quickly end result within the loss of elasticity with the piston ring cemented cylinder Mifengbuyan even broken piston rings and cylinder scoring.
Injector cluster the coke, easily caught injector, triggering the engine the missing cylinder operating or sudden flameout.
Preburner starter nozzle poly coke clogged spray holes, challenging to begin the engine.
The spark plug fouling too much, wet fuel, the equivalent parallel shunt resistor spark plug electrode, causing the spark plug leakage, flashover is also weak, serious spark plug isn't going to function. Street exhaust, exhaust pipe muffler wall coke significant increase in exhaust resistance, the exhaust isn't the net, creating the engine temperature to rise, horsepower drops.
Engine deposit formation, should really be promptly eliminated. Usually employed to manually eradicate (that has a wire brush or shovel), also readily available broken piston ring while in the eradication with the surface from the combustion chamber and piston major hand. Muffler coke inconvenience demolition muffler on fire red-hot, and after that swiftly cooled, then the stick tapping, vibration could make coke off.
Of coke combustion Launch & X431 series chamber when conditionally can be chemically completely clear:
Clear carbon deposition within the steel pieces (such as cylinder heads, valve) can be utilized caustic soda 25 grams, 31 grams of sodium carbonate, sodium silicate, 10 grams, 8 grams of soap, potassium dichromate, 5 g, 1000 g of water dubbed cleaning solution, and heated to 70 ?? -80 ??, the components into the cleaning solution soak for about 30 minutes, to make the carbon deposition soften just after brushing or erase, rinse with sizzling water.
Clear aluminum alloy elements (such as piston, aluminum cylinder head) of Coke to the obtainable sodium carbonate 20 g sodium silicate 8 grams, 10 grams of soap, potassium dichromate, 5 g, 1000 g of water dubbed cleaning fluid the same solution was heated to 70 ?? -80 ??, the parts into the cleaning solution soak for 30 minutes, until the carbon deposition softening clear, and rinse with hot water to dry.
The metal cleaner ability descaling cleaning carbon removal agent for coke severe components, in order to enhance the scavenging effect, metal cleaning agent over the basis of adding other ingredients preparing an aqueous solution, the formula is: 40 grams of metal cleaning agent, sodium hydroxide 12 g, 12 g of sodium silicon fluoride, 12 g of sodium pyrophosphate, 10 g of sodium tripolyphosphate, and 1,000 grams of water formulated into a solution, warmed to 70 ?? C to -80 ?? C, soaking cleared.
To prevent engine Launch X431 GX3 deposits, need to the following aspects: 1. Maintain good seal cylinder; the fuel atomization must be good; 3. Inlet and exhaust duct should really be kept clear; valve timing, injection time with should be accurate; 5. spark plug arcing voltage must be normal; engine water temperature ought to be normal; 7. chosen in line together with the specifications of your grade of fuel; proper use on the vehicle, to avoid prolonged overload avoid Meng throttle; 9. timely maintenance maintenance of vehicles, to keep the engine in good technical condition.
http://eobd21.xanga.com/772007455/the-bmw-523li-fuel-pump-current-is-too-high/
The cylinder head components With all the coke, and will decrease the cooling impact in the engine. Bad thermal conductivity of carbon deposition, the thermal conductivity of cast iron or steel 150, this can lead to the engine to overheat, the engine electrical power and economy are greatly reduced.
Piston in the top rated of coke, the formation of a lot of sizzling surface, creating early ignition and deflagration; carbon deposition elevated around the top rated on the piston and also the cylinder head, combustion chamber region decreases, the compression ratio will cause engine knocking, knocking, knocking, and abnormal put on, shorten the lifestyle from the engine.
Valve seat surface poly coke, will bring about the valve closed lax and leak, and the engine is difficult to start out, unable to do the job, as well as valve simple ablation undesirable phenomena.
Valve conduit and valve stem coke gumming, accelerate the valve stem and valve guidebook put on, and also result in the valve stem in the valve guides in the motion astringent stuck.
Deposits in the piston ring groove may cause piston ring side gap the backlash smaller sized, or no gap; side clearance gap by carbon deposition results without expansion; then quickly end result within the loss of elasticity with the piston ring cemented cylinder Mifengbuyan even broken piston rings and cylinder scoring.
Injector cluster the coke, easily caught injector, triggering the engine the missing cylinder operating or sudden flameout.
Preburner starter nozzle poly coke clogged spray holes, challenging to begin the engine.
The spark plug fouling too much, wet fuel, the equivalent parallel shunt resistor spark plug electrode, causing the spark plug leakage, flashover is also weak, serious spark plug isn't going to function. Street exhaust, exhaust pipe muffler wall coke significant increase in exhaust resistance, the exhaust isn't the net, creating the engine temperature to rise, horsepower drops.
Engine deposit formation, should really be promptly eliminated. Usually employed to manually eradicate (that has a wire brush or shovel), also readily available broken piston ring while in the eradication with the surface from the combustion chamber and piston major hand. Muffler coke inconvenience demolition muffler on fire red-hot, and after that swiftly cooled, then the stick tapping, vibration could make coke off.
Of coke combustion Launch & X431 series chamber when conditionally can be chemically completely clear:
Clear carbon deposition within the steel pieces (such as cylinder heads, valve) can be utilized caustic soda 25 grams, 31 grams of sodium carbonate, sodium silicate, 10 grams, 8 grams of soap, potassium dichromate, 5 g, 1000 g of water dubbed cleaning solution, and heated to 70 ?? -80 ??, the components into the cleaning solution soak for about 30 minutes, to make the carbon deposition soften just after brushing or erase, rinse with sizzling water.
Clear aluminum alloy elements (such as piston, aluminum cylinder head) of Coke to the obtainable sodium carbonate 20 g sodium silicate 8 grams, 10 grams of soap, potassium dichromate, 5 g, 1000 g of water dubbed cleaning fluid the same solution was heated to 70 ?? -80 ??, the parts into the cleaning solution soak for 30 minutes, until the carbon deposition softening clear, and rinse with hot water to dry.
The metal cleaner ability descaling cleaning carbon removal agent for coke severe components, in order to enhance the scavenging effect, metal cleaning agent over the basis of adding other ingredients preparing an aqueous solution, the formula is: 40 grams of metal cleaning agent, sodium hydroxide 12 g, 12 g of sodium silicon fluoride, 12 g of sodium pyrophosphate, 10 g of sodium tripolyphosphate, and 1,000 grams of water formulated into a solution, warmed to 70 ?? C to -80 ?? C, soaking cleared.
To prevent engine Launch X431 GX3 deposits, need to the following aspects: 1. Maintain good seal cylinder; the fuel atomization must be good; 3. Inlet and exhaust duct should really be kept clear; valve timing, injection time with should be accurate; 5. spark plug arcing voltage must be normal; engine water temperature ought to be normal; 7. chosen in line together with the specifications of your grade of fuel; proper use on the vehicle, to avoid prolonged overload avoid Meng throttle; 9. timely maintenance maintenance of vehicles, to keep the engine in good technical condition.
http://eobd21.xanga.com/772007455/the-bmw-523li-fuel-pump-current-is-too-high/
Tuesday, 5 March 2013
The Tiguan engine emissions lights often lit(III)
Due the auto diagnostic tool fault with the car or truck is half previous one particular will check out, and now the information stream is clearly the deviation is too massive, I feel around the Run in this kind of a time period of time after the fault code will nonetheless appear once more, it had been made a decision the issue very first the information inflow hand analysis, striving to locate the point of failure.
So as to confirm the accuracy on the data stream, specially repeatedly flame once again to start the engine, found every single startup information stream are to start with shut to -19%, and after that slowly climbed back to 18%, indicating that the issue does exist. Then triggered the failure what? Immediately after some discussion, the Injector seal terrible, leaks can cause the generation with the challenge. Evaluation of the idea is following the car ignition is turned off, given that the fuel injector is not sealed, the high-pressure fuel by means of the leakage in the injector in to the cylinder, the cylinder accumulation gasoline, to start the approach from the upcoming, the recently launched since the cylinder has been The fuel mixed normal gasoline also thick, the oxygen sensor might be detected as well thick signal back towards the J623, J623 will alter and lessen the quantity of fuel injection until revenue the adjustment value exceeds a certain worth Zaiwang Hui regulation. To confirm this, once the engine is running, disconnect the plug from the large stress fuel pump and fuel pump fuse till the engine shake and then immediately flip off gradually inside the gasoline line basically no gasoline. Plug and fuse plug it back in right after you turn off the key, and then promptly start off to observe the data stream, feeling right into a value lower than just some. Repeatedly attempted twice, chose to check out injector in exchange for that unique auto, the injector just altered totally new, but there isn't a promise that the new difficulty. But in exchange for your unique car or truck injector commences, the data movement has not improved, the injector can be excluded.
Under repair in difficulties, mixed with two Launch X431 GX3 fault codes and data flow, two oxygen sensors reflects a also lean, a reflection as well thick, the information stream to the adjustment worth too thick, and later on also thin, and significantly more than the normal selection . The ordinary understanding of both the engine handle unit J623 failure or J623 Bad Ground garbled seem Shiraai contradictory failure, but from now repair system to analyze line and J623 itself should really not have any difficulties. Then the question The place is it?
Is it Launch and X431 definitely the engine consumption method hasn't sealed the result of it? Through the difficulties code and data stream examination this is unlikely, but still the 1st test, start out the engine and enter the basic settings, input channel number 107, click Activate, the process commences to set, setting success display normal The program described to date will not seal the reason is usually excluded.
http://eobd21.xanga.com/771977427/the-vigilance-engine-temperature-is-caused-by-excessive-air-conditioning-work-abnormal/
So as to confirm the accuracy on the data stream, specially repeatedly flame once again to start the engine, found every single startup information stream are to start with shut to -19%, and after that slowly climbed back to 18%, indicating that the issue does exist. Then triggered the failure what? Immediately after some discussion, the Injector seal terrible, leaks can cause the generation with the challenge. Evaluation of the idea is following the car ignition is turned off, given that the fuel injector is not sealed, the high-pressure fuel by means of the leakage in the injector in to the cylinder, the cylinder accumulation gasoline, to start the approach from the upcoming, the recently launched since the cylinder has been The fuel mixed normal gasoline also thick, the oxygen sensor might be detected as well thick signal back towards the J623, J623 will alter and lessen the quantity of fuel injection until revenue the adjustment value exceeds a certain worth Zaiwang Hui regulation. To confirm this, once the engine is running, disconnect the plug from the large stress fuel pump and fuel pump fuse till the engine shake and then immediately flip off gradually inside the gasoline line basically no gasoline. Plug and fuse plug it back in right after you turn off the key, and then promptly start off to observe the data stream, feeling right into a value lower than just some. Repeatedly attempted twice, chose to check out injector in exchange for that unique auto, the injector just altered totally new, but there isn't a promise that the new difficulty. But in exchange for your unique car or truck injector commences, the data movement has not improved, the injector can be excluded.
Under repair in difficulties, mixed with two Launch X431 GX3 fault codes and data flow, two oxygen sensors reflects a also lean, a reflection as well thick, the information stream to the adjustment worth too thick, and later on also thin, and significantly more than the normal selection . The ordinary understanding of both the engine handle unit J623 failure or J623 Bad Ground garbled seem Shiraai contradictory failure, but from now repair system to analyze line and J623 itself should really not have any difficulties. Then the question The place is it?
Is it Launch and X431 definitely the engine consumption method hasn't sealed the result of it? Through the difficulties code and data stream examination this is unlikely, but still the 1st test, start out the engine and enter the basic settings, input channel number 107, click Activate, the process commences to set, setting success display normal The program described to date will not seal the reason is usually excluded.
http://eobd21.xanga.com/771977427/the-vigilance-engine-temperature-is-caused-by-excessive-air-conditioning-work-abnormal/
Friday, 1 March 2013
The Tiguan motor emissions lights sometimes lit(I)
Tiguan 1.8T SUV car obd2 tools auto. The homeowners reported: car jogging for some time once the engine emissions lantern lit, this failure continues to be frequently fixed many times. Go through fault codes, the upkeep technician has replaced 4 injector, spark plugs, crankcase air flow valve. But after the test run once the fault continues to be not solved. Then ask for the writer technical help. Fault diagnosis: to acquire the suitable facts to know car maintenance, majoring technician informed the consultation of the auto, the car latest the child months has several repairs the fault, has replaced the front and rear oxygen sensor changed The gasoline pump assembly and gasoline filter replacement catalytic converters, but every time the customer automobile back again following a time period of your time to reproduce the condition. The maintenance technician to the injector and various relevant parts, highway check 1 00km procedure would not keep any fault codes. If you want to carefully ensure no matter if the failure has long been ruled out, the maintenance technician to just take an severe strategy to confirm no matter whether the failure to reproduce, that is, once the auto is stationary, accelerated to 3000r/min, for about 20min, this time the engine command unit again stored fault codes had been 08342 P2096 catalytic converter after the fuel adjustment procedure, cylinder column 1 also lean; 08598 P2196 Oxygen (02) sensor signal is "concentrated" cylinder column 1 sensor 1. Precisely the identical because the preliminary fault code.
Study fault codes show the way of the restore Launch X431 GX3 to routine maintenance function, the very first assessment of your meaning of the two fault codes P2096 catalytic converter after the gasoline adjustment process, cylinder column much too slender "for the failure is actually a three-way catalytic is behind the oxygen sensor G130, the rationale for your failure is summed up during the pursuing points:
1. The extra air without having taking under consideration an amount of money of air stream sensor in the cylinder combustion or catalytic converters preceding paragraph leak.
The gasoline offer is simply too smaller, these kinds of as very low oil pressure, gas injector fouling from the gas filter clogging.
3 poor oxygen Digiprog 3 sensor fault or oxygen sensor line.
4. The engine manage unit failure or terrible line.
http://obd2expresscouk.wordpress.com/2013/03/01/southeast-v3-ling-yue-is-difficult-to-start-overhaul/
Study fault codes show the way of the restore Launch X431 GX3 to routine maintenance function, the very first assessment of your meaning of the two fault codes P2096 catalytic converter after the gasoline adjustment process, cylinder column much too slender "for the failure is actually a three-way catalytic is behind the oxygen sensor G130, the rationale for your failure is summed up during the pursuing points:
1. The extra air without having taking under consideration an amount of money of air stream sensor in the cylinder combustion or catalytic converters preceding paragraph leak.
The gasoline offer is simply too smaller, these kinds of as very low oil pressure, gas injector fouling from the gas filter clogging.
3 poor oxygen Digiprog 3 sensor fault or oxygen sensor line.
4. The engine manage unit failure or terrible line.
http://obd2expresscouk.wordpress.com/2013/03/01/southeast-v3-ling-yue-is-difficult-to-start-overhaul/
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