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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 13, 2011
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet Silverado 1500 LT 5.3L charge indicator VIN: 1GCEK19T22
Hi gang ! this is my brothers truck He mentioned that intermittently the charge light would come on and the voltmeter would drop from normal charging voltage to between 9-11 volts. I told him i recommended replacement of the alternator becasue of time and mile...
1998 Pontiac Bonneville SE 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G2H52K5WH
Thanks in advance to all that reply, this is a car that ive had in here for the past week and its very frustrating. It runs great on startup and you can drive it with all the power it has. But after 20 min or so, there is a bad miss and it backfires constantly...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C3500 5.7L Stall, Speed data VIN: 1GBJG31R5X
Hello again, thanks for the thoughts. Had a couple people suggest that I scope the signal from the VSS, donít have the scope nearby so I canít do that but Iím pretty sure the PCM is the issue. Looking at the computer, itís got a lot of corrosion all around. ...
2005 Chevrolet Uplander 3.5L Hesitation, MIL Lamp on VIN: 1GNDV23L85
OK, here we go. Good replies, but no cigar. I didnít mention this thing was setting other codes, but there were EGR codes also. Several folks suggested I clean the bore, I didnít see any problems with that. Rob [...]. advised to check a connector under the hoo... Trouble codes: P1125 (APP sensor), P2138 (Difference in APP sensors).
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