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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 13, 2005
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1991 Cadillac Eldorado 4.9L very high idle speed VIN: 1G6EL13B9M
Hello group, This vehicle will start up normally and then after about 10 minutes, if you step on the accelerator pedal the idle speed control plunger will go out and the vehicle will race at over 3,000 rpms. Once warm, if you shut off and restart the vehicle,...
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1999 Cadillac Catera 3.0L MIL Lamp on VIN: WO6VR5ZR5X
Hello group, Car came in with the MIL on.Scaned for codes and P0171 was stored.The datastream was kind of weird because when using generic OBD-II mode,the fuel trims show as though they were normal.When swithing to VIN specific,the fuel trims showed that both... Trouble codes: P0171 (hego sensor b1s1 lean)
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2002 Chevrolet Silverado 2500 HD 8.1L No Start, Hesitation, Surge, Cuts out, Stall VIN: 1GCHK23GX2
This is my personal rig. I hate working on my own stuff. Have not did alot of testing as this is really intermittent and so far has not left me walking. First noticed this while waiting to pick up someone with engine idling in neutral. It died and would restar...
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1996 GMC C2500 Suburban 6.5L Misfire VIN: 1GKGKZ6F4T
Hello, I have this GMC Suburban 2500 here with a tricky miss, what it does is while driving it occasionally gives a puff of black smoke and loses power, but not really bad just enough to cause alarm to the driver. he thinks it might be a sign of something fail...
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1990 Pontiac Grand Prix LE 3.1L Running Rich VIN: 1G2WJ54T6L
A few months ago this car wouldnt start cause it was flooded. Got it running and it cleared itself out and I never found the cause,when the problem fixed itself.Afterwards I just put some injector cleaner in the fuel and replaced the filter.Was fine for a few ...
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1996 Saturn SL1 1.9L Mechanical VIN: 1G8ZH5288T
having problem getting a good brake pedal, travels way to far before stopping... is this a characteristic of this model? the master cyl. was bad when car arrived at the shop, so im not sure how it is when normal... car stops good can lock up all four wheels......
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Park Avenue 3.8L computer VIN: 1G4CW52K7S
Hello gentlemen I read the replies and decided to ground the caseing of the computer to the inside of the chasis. I ran 2 grounds incase anything happened to one ground the other would be there it would also help with current load.I let idle 1 hour seemed to g...
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1998 Buick Century Limited 3.1L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 2G4WY52M0W
I had several replies that sugested a computer problem, which is what I suspect also. I had a couple of techs sugest checking waveforms coming out of MAF sensor and going into PCM. I did check waveforms and I had good patterns at MAF and PCM, but still had no ... Trouble codes: P0506 (low idle rpm).
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1993 Chevrolet K1500 Cheyenne 5.7L excessive pinging VIN: 2GCEK19K8P
i would like to thank everyone for thier advice on the pinging problem with my vechicle. summarizing my e-mail,i changed the knock sensor (no-fix),upon performing a (b /g) top engine cleaning 3 times over the next 2 days each time the ping has diminished less ...
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1999 Chevrolet K3500 7.4L Hesitation, sever hesitation VIN: 1GVKC34J9X
thanks for all your advice,checked the cats,set cam timing and replaced the pcm.runs great,thanks to a great bunch of mechanics out there. ken.
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2002 Chevrolet Silverado 2500 HD 6.6L noise at steering colm VIN: 1GCHK23163
Thanks to all who replied. The customer opted to not do anything until the condition got worse and we could definatly pinpoint there problem. Most replies were for the steering shaft issue, but we were just not 100 sure so the customer said they would wait.
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1982 Oldsmobile Delta 88 Royale Brougham 5.7L routing VIN: 1G3AY69N9C
I did not get very much help with this post. For the most part I was very dissapointed with the replies. I did not need to hear put a gas engine in it, get rid of it,it was junk when new. A lot of people posted replies that they had the information and would s...
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2001 Oldsmobile Alero GL 3.4L Gaskets? VIN: 1G3NL52E91
ngine&tmv=1&au=1&closing=3&a=notyetfixed Will close this for now. Customer has not yet returned. Thanks to all who replied. Responses were very fast. (24 replies in 2 Days) Most said to replace Inta...
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