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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 2, 2014
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2001 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54K31
First off I will say I do not deal with a lot of communication problems at my shop so I am not that good at them. This vehicle will start and run for about 3 seconds then it dies and will not restart till you turn off the key and wait a few mins then it will d... Trouble codes: U1040, U1300, U1255, U1305, U1604, U1160
2003 Buick Century Custom 3.1L starter VIN: 2G4WS52J03
I have closed my previous post as I have gotten the air bag off and replaced the ign switch and thanks every one for your answers,the dash light problem is fixed but the starter will not engage,it works when I jump the small terminal on the starter and will st...
2006 Cadillac DTS 4.6L in drive or reverse VIN: 1G6KD57Y46
Got a weird on here. Car only has 31k on it. When cold(room temp) the trans shifts into reverse forward with no issues. Once it runs for about 5 min it wont go into gear. But if you shut it down and restart it it will move again. No codes for slipping, fluid l...
2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK29224
I have a duramax in my bay. truck will not start without primming fuel sys. fuel rail pressures are around 250psi while cranking. I have replaced fuel line from ficm to filter as it was very soft. no change. installed fuel pressure guageon return line before c... Trouble codes: P1093
1990 Oldsmobile Cutlass Ciera 3.3L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Misfire VIN: 1G3AJ54N4L
Good evening IATN Members. I'll try to keep this simple. Customer brought car in on a roll back, because it would not run well enough to drive. The vehicle would lose all power and all but stall when accelerating, it barely ran one mile, and almost didn't make...
1998 Pontiac Grand Prix GTP 3.8L Poor Idle Quality VIN: 1G2WP5215W
This vehicle came in for a no idle problem. The car will idle perfectly when you open up the throttle plate. Removed and cleaned throttle body and IAC port. Car now idles at 500 rpms. IAC reads 255 on the snap-on computer. Checked wiring from the computer to t...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Impala 3.4L Lighting VIN: 2G1WF52E23
didn't get much help on this one. had customer bring back when I could really dig into it more. hooked up scanner one more time and low and behold no more service vehicle message when the lights were turned on. let it sit a couple hours and back to the same th...
2007 Chevrolet Silverado 1500 LTZ 5.3L No Start VIN: 2GCEK19J77
Thanks to everyone who answered, all told me the module had to programmed to work and/or the fuel pump relay and fuse played not part in this particular system. Had vehicle towed to dealer, module programmed, no more blown fuses and vehicle runs. Was a little ... Trouble codes: U0109.
1997 Geo Prizm LSi 1.6L Steering VIN: 1Y1SK5264V
Well Im calling this one fixed. Most suggested a clogged resevoir. I pulled it off and did some extensive cleaning and all seams to be well now. Thanks again to all who replied.
2000 GMC C3500HD 7.4L starting
thanks for the repleys, it had a roting chassie ground to engine is the reson the starter dident work,,the reson it had no power on the dash missing fuses and some installed in the wrong places,customer realy did a number on this one made it a much harder job ...
2007 GMC Yukon XL 1500 SLE 5.3L MIL/Stabilitrak VIN: 1GKFK16397
After getting great help from everyone, the customer decided they did not want to invest in going into the engine and took it to a dealer and traded it in. Thank you all for your feedback and help.
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