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Prev Professional Automotive Repair Technical Discussions for May 30, 2010
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Astro LS 4.3L 3-2 ahift VIN: 1GNDM19W6V
No power, stumble, hesitation, etc. The EGR valve operation was not at fault, only the internal pintle position sensor. Distributor caused very poor performance, I was almost certain that I had a plugged CAT or otherwise restricted exhaust or my fuel supply wa...
2003 Saturn Vue 3.0L air conditioner system VIN: 2125148545
Vehicle came in blowing warm air around idle and blows cold when idle is raised... does not run constantly when ac is on and the pressures are around 200-250 psi high side and 50-60psi low side till the fan kicks on then the high side drops to 110-130psi and l...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Silverado 3500 6.0L MIL Lamp on, Power loss VIN: 1GBJC34U24
Thanks to all that replied, there were a lot of insightful tips. We pretty much narrowed it down to a TAC module. At no time were we ever able to prove the failure, I just love intermittent problems... A replacement TAC module has been installed. It has ... Trouble codes: P1125 (APP sensor 1 2 out of correlation).
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