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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 1, 2019
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2014 Audi A8 Quattro L 4.0L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality VIN: WAUR2AFD7E
Posting for another tech here. Vehicle generally starts okay cold. As it warms goes to misfiring and will even stall. When warm may not start at all or has very extended cranking. When does start, throttle will not respond. When pull oil filler cap has mas... Trouble codes: P0175 (System rich bank 2), P0175 (System rich bank 2), P0175 (System rich bank 2)
2015 Buick LaCrosse Premium 3.6L P059F performance of shutter VIN: 1G4GB5G30F
This is a three wire system. 1 wire 12v positive 2nd wire ground. I have hooked a headlight up to verify a good power source and measured voltage. The grill shutters have been replaced twice thinking the first part was defective. there has been no change...
2004 Chevrolet Express 1500 5.3L noise VIN: 1GBFG15TX4
if I raise the rpms up to 1k and turn the steering wheel back and forth, it makes a loud power steering growl. if I leave the steering straight at the same rpm and press the brake pedal it makes the same noise. fluid does not aireate. vehicle has to be hot...
2006 Chevrolet Malibu LT 3.5L Mechanical VIN: 1G1ZT53866
Car came in with the blower motor only works on high speed replace the blower motor resister still only works on high unplug the blower motor risister still works on high only my solus scanner has no data for manual havoc system looking threw the diagram w...
2008 Chevrolet Suburban 2500 LT 6.0L Surge, MIL Lamp on VIN: 3GNGK26K38
Have one that thought would be simple but getting the best of me. Customer purchased over internet come out of police force low mileage for age. Can see that heads have been off and front of motor has been off. In for alingment and check engine light come ... Trouble codes: P0172, P0175
2013 Chevrolet Equinox LT 2.4L Poor Idle Quality, Surge, Misfire
car will start and idle fine when cold. When hot the problem starts.. If you take the car for a drive once it is fully warmed up... after driving for a few min. when you come to a stop while your foot is still on the brake the car will surge. not a... Trouble codes: P0300
2014 Chevrolet Spark LT 1.2L Cuts out VIN: KL8CD6S92E
ok this little gem came in a week ago for an engine light and said would stumble and stall, pop the hood and has 2 new o2 sensors on it, only code stored was P0138. check the o2 voltages at idle on startup and both of them show 1.8 volts and as it slowly w... Trouble codes: P0138
1991 Chrysler LeBaron 3.0L Hesitation VIN: 1C3XJ4538M
thought it was the tps. changed twice. no change? on last trip the ce light blinked lightly, stored no codes some times it runs for days without any problem. i must find this problem, my wife is threatening to find another mechanic
2008 Ford F-550 Super Duty XL 6.4L Poor Idle Quality, Surge, Stall VIN: 1FDAF56R28
2008 Ford F550 6.4L Diesel, apx 90k miles. Truck starts good and runs good COLD. After it warms up it surges and stalls, using AutoEnginuity Scanner with Enhanced Ford software and also looked at it with the have IDS, current codes are: P0193 FRP Sensor... Trouble codes: P0193 (FRP Sensor ckt high), P0194 (FRP Sensor ckt intermittent), P1335 (EGR Position Sensor Min/Max Stop Performance), P2289 (Injector Control Pressure too high - engine off)
2008 GMC Envoy SLE 4.2L stabilitrack
this envoy came in with "stability control not ready". There's evap codes in ecm and ABS P0455 steering angle sensor performance. steering angle sensor appears to be working and after clearing codes it will not reset code and still reads stabilitrack not r...
2000 Honda Odyssey EX 3.5L Ignition VIN: 2HKRL1869Y
Being very careful here. Don't want to get burned any further. We've got this Odyssey with a lot of miles but super clean and well maintained original owners from the Northwest (no rust). Vehicle came in with a very intermittent no crank condition. Custome...
2007 Hummer H3 3.7L Ignition VIN: 5GTDN13E07
Changed PCM three times. GM programmed twice. Changed Crank Sensor three times
2011 Land Rover Range Rover Sport HSE 5.0L MIL Lamp on VIN: SALSH2E47B
This rover is driving us nuts! Lean condition codes under idle only. Yes, it sounds like a simple vacuum leak. We have smoke tested this engine 4 times for leaks and cannot find anything. Weve pulled the charger and intake looking and still cannot find any... Trouble codes: P0171, P0174
2006 Porsche 911 Carrera 4S 3.8L Aws VIN: WP0CB29926
airbag warning light flashes 10 times and goes out when car started. Passenger "airbag off" light does not stay on with empty seat. AWS control unit replaced with piwis fallowing factory procedures. can calibrate and teach sensor = good AWS fails self test...
2011 Ram 1500 Laramie 5.7L engine VIN: 1D7RB1GT7B
Engine starts tick after it get up to operating temperature. Sound like a bad lifter.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW X5 3.0i 3.0L Runs Good VIN: 5UXFA53553
We removed the spark plugs and the electrode was worn out, the coils all looked old except one of them. We replaced the coils and spark plugs and there are no further codes! Thanks for the replies, Wade Trouble codes: 00000, 00000, 00000, 00001, 00001, 00001.
2011 Chevrolet Silverado 3500 HD LT 6.0L MIL Lamp on VIN: 1GC3KZCG6B
Thank you everyone for responding. Robert you did not insult me for asking that question. I may have forgotten and you reminded me thank you.I had trailer brake u codes and only a c0242 to work with. I decided to install the trailer brake module and relay. Wh... Trouble codes: C0242.
2003 Honda Pilot EX 3.5L No Start VIN: 2HKYF18533
Thanks to those that replied, and for reminding me that there is no fuel pump relay as it is combined with the main relay. To fix this Pilot I jiggled a block of four relays under the steering column. It started right up and died in about three minutes. On...
1990 Mercedes-Benz 500SL 5.0L Excessive Emissions VIN: WDBFA66E3L
Thank you for all the replies to this post. My biggest issue trying to fix this car is that I couldn't seem to find any good basic information about how this system works. Once I had that information it became much easier to figure out. HUGE thank you to Te...
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