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Prev Professional Automotive Repair Technical Discussions for October 20, 2007
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Open Help Requests for GM
Help Request Answers
1992 Buick Park Avenue 3.8L No Start, Stall VIN: 1G4CW53L9N
This beauty came to us from another shop, about 2 miles up the road. They installed a crank sensor and called it fixed, but the vehcile stalled and would not restart between their shop and mine. Towed in, sat in front of our shop for a day. When I went to pull...
1996 Chevrolet Corsica 2.2L Misfire VIN: 1G1LD5542T
hello all, i have this good ol corsica that will backfire out of the intake only when accelarating from a stop or snapping throttle in the garage. replaced plugs, wires, fuel filter. oe from factory and one plug was carbon tracking all around the porcelin. cle... Trouble codes: P0301, P0301
1989 Pontiac Grand Am LE 2.5L Cuts out VIN: 1G2NE54U1K
vehicle was brought in not running. customer said it "just died" while driving. it will start, but dies. if you hold the ignition switch so that the starter stays engaged, it will run. the fuel pump has been replaced,the relays all checked, a known good igniti...
2003 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ43D73
PROBLEM: Came in because of maintenance they wanted done AND check engine light on (they thought was a "service" light) Can't read codes OR data stream - no communication. Both Snappy and Genisys. Read post on disconnecting other computers and retrying (other ...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Century Custom 3.1L Poor Idle Quality, Cuts out, Stall VIN: 2G4WS52M5X
Thank you all that replied to our problem, we checked the fuel pressure regulator but it did not leak and fuel pressure does not bleed down, I checked for any pcm updates and this car has the most recent calibration software and did not need update. The fix t... Trouble codes: P1441 (Purge flow during non purge).
2000 Cadillac DeVille 4.6L pedal pulsation VIN: 1G6KD54Y1Y
hello all, well the vehicle is fixed after countless hours and tests. we found that although all the tires were the same size 2256016 one tire was diffrent. it had 3 michelin destinys and 1 michelin symetry. the michelin symetry was 1/2" taller than all the ot...
1999 Chevrolet C1500 LS 5.7L Poor Idle Quality, Misfire VIN: 87CEC14ROX
This truck nearly drove me nuts. The solution was to give and when I did I got the problem. I told the owner to take his truck to another garage and when I put it in reverse to back out of the bay lo and bejold the huge miss disapearedĦĦĦ I put it in neutral a...
2000 Chevrolet Monte Carlo SS 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G1WX12K2Y
Taking the advice of several of the respondents I replaced the ignition switch and the vehicle runs great now. Thanks for all the help. ~Kyle~ Trouble codes: U1000 (Loss of class 2 serial communication).
2002 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G1JC12452
Thanks everyone for all ideas, the car was repaired yesterday and given to customer who is happy with it thus far.Those who suggested that voltage was being pulled down somewhere else were correct this time.I was in the process of disconnecting sensors when i ... Trouble codes: P0122 (Tps low voltage).
2003 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCHK23U23
thanks to the 5 replies.replaced throllte body asm. never did get signal to clean up. tried running new circuits never helped.road tested vehicle over 100 miles. always passed dtc test for p1516. customer needed vehicle. only time well tell. thanks again. robe... Trouble codes: P1516.
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