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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 15, 2006
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Open Help Requests for GM
Help Request Answers
1989 Buick Regal Custom 2.8L No Start, Cuts out, Stall VIN: 2G4WB14W4K
Hello, I Have this car that was towed In A no start.I went To check it out And it started And ran great Of course. After driving It Awhile it would feel Like it shut down for A few seconds And go again Then shut down And not start for A few minutes.At The sh...
1993 Buick Park Avenue Ultra 3.8L MIL Lamp on VIN: 1G4CU5315P
We have cycled the egr solenoid #3 and have seen the engine rpms drop greatly. Removed egr to inspect passages- (very open) Found the o2 sensor very sluggish so we replaced that and saw an improvement with the intergrator & block learn however the MIL light st... Trouble codes: 55 (egr solenoid 3 fault)
1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1G6KD52Y2T
Hell Friends, Iíll give you a little history on this reman engine first. We replaced the engine due to a chronic overheating problem with is consistent with the 4.6 Northstar. We didnít want to get involved in head gaskets so we told the customer the only way... Trouble codes: P0300 (Random misfire)
1983 Chevrolet C10 Silverado 5.0L high line pressure VIN: 2GCDC14H6D
This truck came to us with no reverse. All forward gears ok. We disassembled and found the low reverse clutches and steels burned and the planetary damaged. We replaced those and reassembled with new seals and gaskets. We flushed and flow checked the cooler an...
1993 Chevrolet C1500 Cheyenne 5.7L shifting VIN: 2GCEC19K2P
the problem is that the transmition shifts through the gears at about 25 mph, goes all the way up, then when trying to cruise at speed on hiway will hunt and peck through gears depending on weather on/off acceleratror, testing has indicated that output signal ...
2000 Chevrolet Silverado 1500 5.3L fuel gauge message center VIN: 2GTEK19T7Y
This truck came in to us with a message center complaint. the fuel gauage will drop to empty and the low fuel light stays on as well as the message center starts flashing battery, low fuel, sevice 4wd, and security. sometimes if you shut truck down and restart...
2003 Chevrolet Silverado 3500 6.6L srs VIN: 1GBJK33113
truck came to our shop from body shop-cranks & quits. no communication with modules. found bcm missing from vehicle. replaced bcm. still no communication with modules. found 1 ground at left front core support disconnected & 2 ground wires cut at dr. side rear...
1995 GMC Jimmy SL 4.3L Air Bag VIN: 1GKDT13W0S
Working on my daughter's vehicle before she goes back to college. Vehicle has never been in a wreck as far as we know. She has owned it for 5 years now. For the past 6 months, the ari bag light has been comming on intermittently. Seems to be more common when t...
1997 GMC Savana 3500 4.3L No Start VIN: 1GDGG31WXV
Hi gang, I have read the numerous posts for this particular vehicle and have struck out thus far. The vehicle came in for died while driving and now no start. Vehicle has plenty of spark and WILL run on starting fluid. I have 63 lbs. of fuel pressure and tons...
1997 GMC Savana 1500 5.7L Poor Fuel Economy, MIL Lamp on VIN: 1GDFG15R4V
the van came back in with the s.e.s light on with po172 and 175 stored. i checked spider for leakdown with return line blocked off. very slow and slight. with the van running fuel trims are. short terms b1 125 b2 127 long terms b1 110 b2 109 so the pcm is subt... Trouble codes: P0172, P0175
2002 Pontiac Aztek 3.4L No Start VIN: 37GA03S02S
this car won't start after a hot soak. customer has to wait for 20 - 40 minutes . have replaced both crank sensors and control module. i haven't had car not start at shop so i haven't been able to test for spark ,fuel, or noid.any help would appreciated .thank...
1994 Saturn SL1 1.9L Dash gauge VIN: 1G8ZH5599R
Hey everyone, and all you saturn guys. Need help, This Saturn is baffling me. With the engine running or when driving, the temp gauge will go over to the red zone.(engine is not overheating) Replaced the sender and same thing. Found in Mitchell the resistance ...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Chevrolet S10 Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge, BLACK SMOKE VIN: 13NUO12W1R
Well I'd like to thank everyone for there good advice. There was a fuel leak at the plastic hose in the plenum on the return side just before it comes to the nut. As for the fuel pressure being high, there was something in the return line restricting the retur...
1994 Chevrolet Corvette 5.7L clutch VIN: 1G1YY22P5R
you have to take the trans bellhousing off with the engine because the cluthfork is attached with the throw-out bearing
1996 Chevrolet Express 1500 5.7L Air volume VIN: 1GBFG15R6T
Well the fix was simple, I threw the customer out of my shop. Everything was hooked up correctly, there are no vacuum leaks and power and grounds are B+ to the blower. The last straw working with this guy was being blamed for a VSS going out 4 hours away from ...
2001 Chevrolet Silverado 1500 5.3L Electronic VIN: 2GCEC19T61
I got three replies all stating the parking brake switch was the problem. We tested the switch and it was working. We sent the customer to the dealier. We were nto able to diagnose the problem.
2004 Chevrolet Silverado 1500 5.3L speedometer VIN: 2GCEC19T94
Thanks for all of the replies! A replacement speedo cured the problem.
1998 GMC Safari SL 4.3L No Start, Cuts out, Stall VIN: 1GTDM19WB5
Thanks Bradly & Micheal- bullseye ! The coil did have the white power next to the coilframe itself. I ordered the pigtail pt.# [...] connector 2.170 B with [...] coil 2.170 * R installed it with no problems. Customer picked up van last week and I'v heard...
1989 Pontiac Firebird Trans Am 5.7L Poor Idle Quality, Surge VIN: 1G2FW2183K
i have tested every one of your ideas. but to no avail. i have sent this to the dealer. i will let you know what i find out. thanks for all your help and ideas!!!
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F22
First of all I would like to thank Troy, Eric, Mike, Eliud, Jeremy, Gary, Gerry, Robert & Mike. Responses where possibly ignition switch, bad computer, chaffed wiring harness near the intake manifold, fretting on the injector terminals, cam sensor, demon (my f...
1996 Saturn SL2 1.9L a.c, wipers, radio intermitantly inoperative VIN: 1G8ZK5273T
Thanks guys for reassuring my assumption. Loading the ignition switch with a few extra amps caused it to fail. Replacing it was the fix. Thanks for quick response.
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