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Prev Professional Automotive Repair Technical Discussions for May 1, 2011
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Open Help Requests for GM
Help Request Answers
1999 Buick LeSabre Custom 3.8L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4HP52K0X
ok so a 1999 buick lesabre custom with 3.8L comes in and customer complains of engine light on and vehicle stalling around corners. i scanned the vehicle retrieved current code of p0102 MAF circuit. cleared the code and went for a road test found under moderat... Trouble codes: P0102 (MAF circuit low frequency)
1995 GMC K2500 Sierra SL 6.5L take off VIN: 1GTGK29F1S
I recently bought this truck, what it does is slip or 2nd gear start off the line then bangs into first gear then all is only does this if slowed to a stop in D,3,2,1 if shifted into D from R or N it does not act up. in manual 1 it doesnt act up. when ...
2004 GMC Safari 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEL19X34
Hi all we are working on a 2004GMC Safari and we have tried everything and this sucker will not stop misfiring... Valve job, tune up, changed injectors, changed distributor, no matter what we do, same result, misfire. Any help would be greatly appreciated. Tha... Trouble codes: P0300, P0302, P0305

Fixes & Summaries for GM
Fix/Summary Answers
2004 GMC Sierra 3500 WT 6.6L knocks and smokes VIN: 1GDJK342X4
I would like to say thank you to william [...] for getting me thinking in the right direction. While watching the inj ms all would stay around .65 except 1,2 and 7 would occasionally drop to .00 Took injector 1,2,7 connectors apart and tightened connectors. T...
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