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Prev Professional Automotive Repair Technical Discussions for April 19, 2008
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Open Help Requests for GM
Help Request Answers
2001 Cadillac Catera 3.0L Misfire, MIL Lamp on
this car came in for an oil change, mil was on and customer requested a diagnosis. there was two codes present. p0171 and p0174 fuel pressure checked and is within spects. while checking data fuel trims are above 20 off idle at idle they are +-5. there is a ts... Trouble codes: P0171, P0174
2000 Chevrolet Monte Carlo LS 3.4L 1-2 shift VIN: 2G1WW12E6Y
I aquired this car from one of my customers.It needed an intake manifold gasket,cooling fan assy.& a radiator. It was more money than he was willing to spend so he sold the car to me since I have a teenager that will be needing a car in the near future. He men...
2007 Chevrolet Avalanche LS 5.3L TPMS& remote VIN: 3HN567UQWG
both the TPMS and the remote quit working on this truck . all data says the there is a RCDLR remote control door lock receiver but gives no location. also will not go in to TPMS lean mode and remotes do not work. software on the tech 2 does not show a RCDLR al...
2002 GMC Savana 3500 5.7L No Start, Poor Idle Quality, Surge VIN: 1GJHG39R52
HELP. this van has an intermitent problem with the intake air temperature sensor,coolant temperature sensor,tps,and map sensor. most of the time the reading are right on but the odd time the iat will read -40 while the coolant sensor might say -40 or +253 the ...
1996 Pontiac Bonneville SE 3.8L Headlamps VIN: 1G2HZ52K4T
Hello all, hoping to find someone taht has run across this before. The headlamps are always on, including the running lights front and rear. I have checked and cleaned the grounds at the kick panels both sides, as well as the ones under the hood. No effect. I ...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Monte Carlo LS 3.4L Poor Idle Quality, Surge VIN: 2G1WW12E95
Thanks for the replies. We found a chaffed wire from the TPS under the throttle body. Glenn
2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1GKDT13W7Y
F I N A L L Y ! ! ! Thanks for all of the replies and suggestions, but it turns out when all else fails go back to the beginning and start over. I left this Jimmy alone for a day, and went back to it fresh, seems I couldn't see the forest for the trees, I ... Trouble codes: P1122 (TP sensor circuit intermittant low voltage).
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