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Prev Professional Automotive Repair Technical Discussions for May 27, 2013
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Open Help Requests for GM
Help Request Answers
1995 Chevrolet Lumina LS 3.1L engine, idle VIN: 2G1WN52M1S
Hi. Big problem. Vehicule runs for 2-3 minutes, starts a rough idle, and then stalls. fuel pressure 40 psi, raise to 45 when rough idle, seems like no injector pulse. Unable to retreive dtcs. OBD connector with 2 pins. Jumped 2 pins and no flash from engine li...
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2006 Saturn Ion-2 2.2L Compressor VIN: 1G8AJ58F86
Good morning. Ended up with this 06 Saturn Ion with A/C not working and engine getting hot. Cooling fan and A/C clutch inop. ECT tested withing spec. Checked for 12v power at relay for cooling fan and A/C clutch and is present. Tried jumping relay between term...
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Monte Carlo LS 3.4L Poor Idle Quality, Hesitation VIN: 2G1WW12E43
Well, I tested the egr following alldatas tests for the 5v reference code and it was out of range. I replaced with no change in drive ability. So since the pcm from gm is 400 my cost we opted to get a used pcm and flash it. After that it started running great.... Trouble codes: P0118, P0420, P1635.
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2004 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 2GTEC19T34
thanks for every one who replied to me, I got a very helpfull replys, yes guys you are right the 5.3 L hav 4L60 when 6.0 have 4L80 which have ISS so the P0717 must come . what I did is I make reflach with the Hummer 2004 Hummer have 6.0 L with 4L6...
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2011 GMC Sierra 3500 HD SLE 6.0L Data Bus VIN: 1GT423CG6B
Thanks to you guys for your replies! This one ended up needing a new SDM (Air Bag Module) as Mark from Newfoundland had suspected. I learned a lot about network diagnosis on these newer GM pickups from this job, so I'll share some of how we (eventually) diagno...
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