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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 26, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2006 BMW 525i 3.0L steering lock VIN: WBANE53546
Car came in with colum locked, no start, and the warning for the colum being jammed, move the steering wheel. Which seems to lead to no power on the 15 circuit. I havent heard the lock ever try and actuate. When running the quick test and quick clear i get no ...
2008 BMW 335i 3.0L Safety battery terminals VIN: WBAWB73548
Hi there everyone and thanks for the help on this 2008 BMW 335i. This vehicle came in for the airbag light being on. We pulled codes 93B2, 9408, 93D0. I saw that the customer had jumper cables in the trunk and he had installed a new battery so I thought the ...
2003 Chevrolet Silverado 1500 4.3L Unknown VIN: 1GCEK14XX3
hello i can't tell you what is wrong becouse i don't know.i have been working on this 03 silverado 4x4 for 2 weeks & can't figger out the problem is. When you stop the truck trimbles all over like you are driving on a wash board.The front hub assy are new, fro...
2005 Chevrolet Silverado 1500 LS 5.3L 4 wheel drive VIN: 2GCEK13T85
Truck came in and customer had already install al new parts but still wasn't getting his 4x4 to work. The code that it's giving me is co321 transfer case lock circuit malfunction. I've never seen this code before can someone put me in the right direction like ...
2009 Chevrolet Silverado 1500 WT 4.3L spark knock VIN: 1GCEC14X49
Customer brought this vehicle in stating that it will not back up a hill, there is no power in reverse, the customer is hard of hearing and did not hear the spark knock (sounds like a diesel idleing.) Monitored the scan data and the fuel trims were 0 to -1. We... Trouble codes: P0326
1999 Dodge Ram 2500 Van 5.9L No Start, back fires VIN: 3B7KF23Z6X
I have a good one here. The truck was going to come in for a water pump. It happened to get towed in. Customer stated that he had it running in the morning and it quit. Would not restart other than back firing. I got it and replaced the water pump and the cap ...
2007 Dodge Caliber R/T 2.4L rear defrost VIN: 1B3HE78KX7
looking for some help with this one. vehicle came in with no cruise, no all wheel drive and no rear defrost. found corroded wires under door sill and repaired, this fixed all wheel drive and cruise but still no rear defrost. i have 12 volts going to hvac head,...
1987 Ford F-150 Custom 5.0L No Start, Hesitation, Cuts out, Stall VIN: 1FTEF14N3H
hello guys so i have a older f150.front and rear fuel tanks this truck has had both fuel pumps change with in months and the switching valve.at another shop so whag its doing is wen driveing after a few mimutes and i switch tank from front to rear truck starts...
2001 Ford Taurus SE 4-Valve 3.0L Poor Idle Quality, Misfire
I need some help with this problem child. This car runs but misfires badly and running lean. Already did leaking intake gaskets and resmoked multiple times no more leaks found Besides the small holes in egr valve replaced with new same thing. This car misfires... Trouble codes: P0171, P0302, P0303
2002 Ford F-550 Super Duty XL 7.3L Mechanical VIN: 1FDAF57F12
We got this ford in for an oil use issue. The customer stated the problem happened after he had the injectors all changed at another place. I said it was possible the injector seals were leaking and we performed that repair. 3 weeks later he is back saying it ...
2002 Ford Mustang GT 4.6L Cuts out VIN: 1FAFP42X12
Have a Mustang that has different gears than stock. It is programed and 3:27 gear stock. Appears to have and customer states that it has 4:10 gears in it now. IDS only allows a small increment change. Is there any way around this without buying an after market...
1992 Honda Civic EX 1.6L MIL Lamp on VIN: JHMEH969XN
hey smog guys,just hoping for some ideas on this one.car came to me from another shop with a new converter,cam timing off and failed smog.#'s were close, only failed by a couple of points.so i reset cam timing,retimed it and it seemed to run ok.not perfect but...
2010 Honda Civic LX 1.8L electric VIN: 2HGFA1F56A
OK, First off, thanks for taking the time to read this. This car came to us with an airbag light on and the radio was "locked" couldn't turn it on even after the code from Honda and Honda-Radiocodes.com (we confirmed the same code) The radio would not accept...
2001 Hyundai Sonata 2.4L Stall VIN: KMHWF25S21
Been working on this one for about two weeks now. Vehicle was brought in with start/stall problem. Vehicle will start, run for about 3 or 4 seconds then stall. It loses the trigger signal from pcm to fire the injectors. The pcm has been replaced, cam sensor, c...
1990 Mazda 626 DX 2.2L comp. VIN: 1YVGD22B7L
Another one of those "what have I screwed up now" moments! Last week I did a timing belt-front seals job. Went well, but today he said the AC hasen't worked since. I checked and the compressor comes on and off rapidly, like an old GM used to do. The low side j...
2001 Mercedes-Benz E320 3.2L A/c blower Intermittent VIN: WDBJF65J21
Howdy Y'all! This E320 came in and blower only work at times. Replaced Blower motor only because it was actually working when we pulled it out! The resistor that bolts to the motor did not come with new motor. Well here is where it gets deep... After replacing...
2010 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on, No Power, 40mph max VIN: WD3PF4CC5A
Vehicle is Benz 3500 Sprinter Van 906.655 with 642.898 V6 CDI diesel and 722.683 trans. Complaint was CEL and no power, 40 mph max. Light was set by (manufacturer specific) code 150200 "offset drift under engine load 2" which we think relates to self adaptatio... Trouble codes: 15020
2005 Mini Cooper S 1.6L exhaust VIN: WMWRE33475
Hello guys, I am having a vehicle that is really giving us a run for our money. This Mini Cooper S is having exhaust fumes come in the car, but only under acceleration, and especially on the highway. If the windows in the car are open slightly, or the sunroof ...
2006 Mitsubishi Eclipse GT 3.8L Air mix damper motor VIN: 4A3AK34T76
Car came in with loud compressor noise. Confirmed center bearing in compressor was worn causing noise. Replaced compressor with a new unit. All was well for a month now its back. Complaint this time is blowing hot air from vents and making a humming sound from...
2004 Nissan Maxima SL 3.5L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 1N4BA41E74
I've got this Maxima here for poor driveability, intermittent stall, poor idle quality. When I replaced spark plugs found P1800, P0300, P1135 (intake timing control B2 function)and P0021 stored. Cleared codes, all re-set on road test. Did a little research, ad... Trouble codes: P1800 (Vias control solenoid), P0335, P1284 (Afs1 b2), P0021 (a cam position timing system performance)
1999 Plymouth Grand Voyager Expresso 3.8L Downshift to 1st VIN: 1P4GP44L5X
This is my van. Coming home from a day trip, got off highway due to construction. Came to a stoplight after some driving, harsh downshift to 1st gear. Next stoplight, same thing, now vehicle won't move. Try reverse, then drive, no movement. Shutoff vehicle & r...
1999 Pontiac Grand Prix GT 3.8L Fuel Gauge VIN: 1G2WP52K5X
Need some help. Car came in with a inoperative fuel gauge. tested the sending unit and had no resistance coming out of it at all. Replaced the fuel pump and sender and the fuel gauge moves up and stays on full for a while then will drop to empty in about a min...
1999 Saturn SC1 1.9L park lamps VIN: 1G8ZN1283X
Customer presented vehicle(towed in) with a locked up steering column, a key & tumblers along with other column related parts strewn about. His original issue was no crank. A "friend"; a vo-tech student suggested they replace the ignition switch. I suggested a...
2003 Volkswagen Jetta GLI 2.8L Fuel leak VIN: 3VWVH69M03
Fuel tank leak top of tank area after fueling while fueling with back seat removed fuel access cover removed cars seems noisey while fueling then with in a few blocks of driving back to shop noticeable fuel leak looks around fuel return line wondering about fu...
2005 Volvo V50 T5 2.5L unknown VIN: YV1MW68295
We have a 2005 Volvo v50 t5 in the shop. On cold start, only for about 20 seconds, there is a air noise possibly coupled with a rattle. it goes away after 20 seconds or so. I have pulled the timing covers and checked to make sure it was not in the timing belt ...
2007 Volvo XC70 2.5L Crank sensor VIN: YV4SZ59207
Vehicle came in with a hard start. Cranks but has a resistance spot as if fighting timing but does not do it all the time. Code ECM-500 keeps recurring and I have tried replacing the crankshaft position sensor. Any help greatly appreciated.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 Audi A4 Quattro 2.0L air conditioning doesnt work VIN: WAUBFAFL2A
ran new wire from electronics unit to pressure switch and everything works fine wire wasreceiving the voltage from either ea pinched wire or from garage door opener module customer elected to just run a wire against my recommendation
2003 BMW 325xi 2.5L air flow not cold enough VIN: WBAEU33443
sorry for delay in closing this. as it turns out the heater valve was stuck open. I had clamped the hoses in the beginning but somehow there was still flow getting through. that stinks because I spent so much time going beyond this only to come back to it i...
2006 BMW 525i 3.0L MIL Lamp on VIN: WBANE53556
HUGE thanks to all. I tested backpressure on both catalytic converters at the front o2 sensor holes. Rear cat was 4-6 psi @ idle and front cat was 1/2 psi at 2000 rpm. We will be changing out rear cat. I have a hollowed out 02 sensor that I use to test backpre... Trouble codes: 29D0, 29D1, 29D2, 29CC, 2A2F.
2004 Chrysler Pacifica 3.5L Misfire VIN: 2C8GF68404
Thanks for the help guys. I got car running all set. I repaired the shorts in the harness and replaced the computer. Runs great
2003 Dodge Dakota 3.9L Misfire VIN: 1D7HG12X83
Ok, after going over everything that was mentioned in the post, I was unable to locate anything useful. Waveforms indicated a direct short to ground via the plug, however swapping plugs yielded no change in condition, likewise with wires etc. The customer info... Trouble codes: P0306.
2011 Dodge Nitro Detonator 4.0L Misfire, MIL Lamp on VIN: 1D4PU6GX5B
Thanks for all of the help. We did verify that the fuel trims are good. We smoke tested, no leaks found. Customer declined going any farther, due to a 100k drivetrain warranty from the mfg. Trouble codes: P0304.
2002 Ford Mustang GT 4.6L Hesitation, Cuts out VIN: 1FAFP42X52
Craig from Arkansas You Got it My Friend! Thank You To Everyone who responded but This Problem Was False Activation Of The Traction Control System. The owner Had Removed All Tell-tails From The IC Which, Had They Been There I Would have seen the trac Light I'm...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Auto Hubs VIN: 1FTNW21P84
Shortly after my post the tech found a code P1876 for the valve. He ohm tested and it tested bad. Most of the replies were for the valve and it makes sense so we changed it. Tech ran the self test and the code did not come back. Time will tell but I am calling...
2005 Ford F-150 FX4 5.4L noise like a rod VIN: 1FTPX14535
well we have got this truck done and has been running fine for the last week. talked with the customer yesterday. most everyone told us to replace the engine, we did not. after checking all the journals, we installed an oil pump, cam phasers and vvs solenoids....
2002 GMC Sierra 2500 SL 6.0L Misfire VIN: 1GTHK23UX2
Well this one is fixed, Thanks to all that helped out! It took a Crank Sensor Relearn to fix the issue, when I was warming the engine up to perform the relearn I had the engine reved up at 2500 and the P0300 reset with the vehicle stationary, On this vehicle T... Trouble codes: P0300 (random missfire).
2005 Jeep Grand Cherokee Laredo 3.7L accessories VIN: 1J4GS48K55
I would like to say thanks again to all who offered there suggestions, I must say that I looked into them all, the one that helped me to find the problem, was the one that Dan made, He suggested that I pull the # 19 fuse which control the occupant classificati...
2008 Jeep Grand Cherokee Laredo 3.7L Unknown VIN: 1J8GR48K58
thank all you guys for the info i change the a/c compressor and the txv a/c works ok thank you guys again
2004 Nissan Maxima SL 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1N4BA41E84
After sending the PCM out for a repair, [internet sourced], we finally had to get a USED unit and have the security re-programmed..With 2 new coils AGAIN, it has been drived about 350 miles with no issues. Just too bad a used unit was not available the first t... Trouble codes: P0301, P0303.
2001 Pontiac Aztek 3.4L fuel gauge VIN: 3G7DA03E71
so after waiting for customer to aprove the replacement pump assembly the aztek fuel gauge is now working correctly thank you all for your help in leading me in the flow of how this works because of the lack info on alldatat had me going crazy. thanks again
2006 Subaru Outback 2.5i Limited 2.5L engine overheated VIN: 4S4BP62CX6
Thanks guys for all the replies. After searching around for available used engines,I explained to customer options--est for used engine was $3500 total repair. She sd car was not worth it, so I bought it for $600, installed used engine. And now I got a sweet ...
2004 Toyota Sequoia Limited 4.7L a/c VIN: 5TDZT38A34
Sorry for late reply.Found the problem.Rat must have got into vehicle and chewed up air box under dash and was pulling in outside air and causing high temp out of vents and for the high pressure situation the condenser fan was running but was wired reversed an...
1995 Volkswagen Golf GTI VR6 2.8L Excessive Emissions, No Start VIN: 3VWHE81H7S
guys thank you all for your help so many good leads it turn out to be the coolant temp wireing fix wireing car runs great thank you all for your time Trouble codes: 00513 (speed sensor).
2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M3Y
Last suggestion from Bill nailed it: disconnected the cam sensor and voltage came right back. Car runs ok with sensor disconnected and throttle codes don't come back with sensor disconnected! This was an interesting (not a money maker though...)problem; all of... Trouble codes: 17951 (angle sensor 1 for throttle actuator signal too small), 17966 (throttle actuator electrical malfunction), 16506 (throttle position sensor signal too low), 17987 (throttle actuator adaptation not started).
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