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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 11, 2005
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Open Help Requests for GM
Help Request Answers
1990 Buick Century Custom 3.3L Stall VIN: 1G4AH84N5L
A friend called me today to come look at this car.He has replaced a bunch of stuff on it without needing to I think. The car will sit and idle perfectly for about 15 minutes...then dies.After about 5 minutes..it will start back up.I crossed the diagnostic conn... Trouble codes: 42 (Electronic Spark Timing EST Circuit)
1997 Chevrolet Monte Carlo LS 3.1L No Start, Cuts out VIN: 2G1WW12MXV
This car was started warm in a parking lot, idled for about 30 seconds and then died. Would not restart, seemed to have no fuel pressure. Finally started and was driven here. Has not died on me so far. I checked the fuel pressure, which intermittently reads as...
1999 Chevrolet Tahoe LS 5.7L transfercase VIN: 1GNEK13R9X
we installed rebuilt transfercase 30 days ago. customer returned and says sometimes when he starts vehicle service 4wd light comes on and stays on and no lights in 4x4 switches and 4wd inoperative. sometimes when he starts no service 4wd light and lights on in...
2002 Chevrolet Astro LS 4.3L steering box VIN: 1GNDM19XX2
Ok I have a 02 chevy astro van that came in a few months ago with a leaking steering gear box. We replaced it with an aftermarket gear box from NAPA. Thats when the swooshing noise started. The noise travels up the steering shaft into the cabin area, and only ...
1997 GMC Jimmy SL 4.3L Cuts out VIN: 1GKDT13W5V
hi guys. got this jimmy which the customer complains of engine cutting out. while checking this baby i smelled a gasoline. sure enough , gas leak coming out from the charcoal canister. could this be canister problem or from the line check valve to the gas tank...
1989 Oldsmobile Cutlass Ciera 2.5L No Start, Stall
Please help! This Olds is driving me nuts! Customer said he drove car to visit someone, and when he was ready to leave the car wouldn't start. I went to get the car, it started right up and I drove it back to the shop and let it run for 20 to 30 minutes then s...
1996 Oldsmobile Cutlass Ciera 3.1L MIL Lamp on VIN: 1FMCA11U4G
this 96 ciera came in with a p1406: egr pintle position fault. i found that, with the egr valve commanded open by the scanner, the egr valve would open and close when wiggling the electrical plug going into it. after replacing the plug, everything was great, s... Trouble codes: P1406
1996 Pontiac Grand Am SE 3.1L Stall, Misfire VIN: 1G2NE52M5T
hello eveyone this one has me boggled vehicle was brought in with hesitation problem i drove vehicle temp gauge went up to about 240 when that happend vehicle lost all power rpm's woulden't go past 3000 now let car cool all the way down now car runs perfect th...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Silverado 1500 5.3L abs VIN: 2GCEK19T5X
I knew that I didn't have a speed sensor fault. After testing both front signals on the lab scope with the EBCM connector unplugged and wiggling the harness while running in 4 WD on the lift, as suggested by many of the help replies. I found perfect signals at...
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