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Professional Automotive Repair Technical Discussions for October 6, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Buick Park Avenue 3.8L Excessive Emissions, Hesitation, Power Loss VIN: 1G4CW52K4W OK guys and gals...I think I have just about every piece of data I can pull from the PCM for this one. I have an MS Excel spreadsheet with a log of my driving...and I think I even caught the engine acting up on it. If anyone has MS Excel, and would like to hel... |
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| 1989 Chevrolet C1500 Cheyenne 5.0L clutch VIN: 1C771VSTYI Ok guys i need your help i just picked up a 1989 chevrolet pickup with a "bad clutch" now upon removing transmission i seen that there was no spring behind throw out bearing isn't there suposed to be??? well original problem pedal was rock hard so i did look i... |
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| 1991 Chevrolet Corvette 5.7L Surge, Cuts out VIN: 161YY3386M hi chevy techs we have a 1991 corvette in the shop car stall most of the time in drive,and engine will surge at times in idle.check for codes none found.check engine vac. 19/20 at idle,check charging system ok.found worn throttle flaps the shaft for the flaps ... |
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| 1995 Chevrolet Monte Carlo Z34 3.4L engine VIN: 2G1WX12X6S after vehicle is run and warm when driving it spits and sputters and will shut down. has to sit for 20 minutes or so before same cycle accurs. only code that comes up is cam positions ssens. this is 3rd sens same problem. other shop replaced crank sens nd used... |
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| 2003 Chevrolet Impala 3.8L Run Stand I need to make several engines run on a stand independent of the vehicle. I know this is out of the scope of the tech mail. Knowing this, being a member of IATN for more years than hairs on my head, and understanding the posting requirements, I need to figure ... |
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| 1994 GMC Jimmy SLE 4.3L NO 3RD gear VIN: 1GKCT18WXR The transmission worked great the first week after the rebuild but now there is no third gear , overdrive dose work if you trick it into gear and first, second and reverse are great. the fluid looks clean and dont smell burnt. no codes are present. |
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| 1988 Pontiac Bonneville SSE 3.8L No Start VIN: 1G2HY54C2J car came in on the hook no start cust diagnosed as a bad fuel pump, checked fuel pressure 25-30 psi no drop after 15 min. i think specs are 60-90 psi but not sure. added fuel via throttle body still no start. checked for spark none. checked inj pulse has pulse... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Cadillac DeVille d'Elegance 4.6L steering stability VIN: 1G6KE54Y4W Most of the replys said to replace the steering wheel sensor. I cleared the codes and the vehicle has not returned in 2 weeks. I told the customer to get a pattern if it starts returning. thanks to all who replied. but i have not yet fixed this vehicle until s... |
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| 1996 Chevrolet K2500 Cheyenne 6.5L Unknown VIN: 1GCGK29F0T Well this took abit longer than expected to look at again, things picked up and customer was in no hurry...nice to have those... seeing this truck is a country truck, decided to look at the harnesses, about an hour into it i found the culprut, mouse had had l... |
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| 2002 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Stall, MIL Lamp on VIN: 1GCEC14W42 Thanks to all who replied. many of you were wright. The dis was out of timing about 40 deg. finly found procedure to realign timing. The problem was the crankshaft timing mark, i let this one while before i figured out i was setting the timing to the first mar... Trouble codes: P1345. |
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| 2002 Chevrolet Express 3500 5.7L No Start VIN: 1GBHG31R92 traced the wiring harness back to the ground by the alternator some how frayed itself causing only five volts to the connector repaired wire and replaced the pump vehicle runs good thanks to all that replied |
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| 2000 Saturn LS2 3.0L Hesitation VIN: 1G8JW52R8Y Thanks a lot for all the replies. We did try another scanner but with very little difference in readings. The hesitation went away after doing a throttle body and intake cleaning. Since the car ran well we returned it to the customer with a request to come bac... Trouble codes: P0401 (EGR Flow Insufficient), P1118 (Not known), P1829 (Not known), P2914 (Not known), P1530 (Throttle control system amplifier adjustment). |
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