× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 25, 2007
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
1993 Buick Park Avenue 3.8L Unknown VIN: 1G4HY54I92
i just bought this car,,got a good deal on i think.at an idle it sounds like a box of rocks,relieve tension on supercharger belt and it subsides,noise from the start sounded like it was comming from the supercharger but not the front bearing as is usually the ...
1995 Buick Regal Custom 3.1L interior lights VIN: 2G4WB52M4S
hi guys, this buick is giving me fits.the interior lights do not work when the doors are opened,when the key is turned to the run position they come on and stay on.after the key is turned off they stay on for 20-25 minutes then they will go out. i checked th...
1992 Cadillac Eldorado 4.9L info.center,fuel guage,power windows,abs &ck.engin VIN: 1G6EZ13B4N
customer stated car started and drove fine after shuting off and restarting abs & ck.engine lights came on &information center went out.car seemed to still start a run fine.next day as he was driving car to shop power windows & sun roof stopped working. as per...
1991 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Stall VIN: 1GCDC14KXM
Hey all you Chevy/GM guys. I am normally a Euro tech but I have a Chevy that fell into my lap today. The customer complains that it runs really bad when cold. It "hunts" for an idle and almost dies doing so. It hesitates during acceleration. It does this until...
1999 Chevrolet Blazer 4.3L mode switch VIN: 1GNDT13W5X
Please help! This is my mother-in-laws Blazer, I gotta look good on this job, ha! Will shift itself to 4LO, and Service 4WD light on. Cannot shift it with mode switch. Is throwing code B2725 Mode Switch Circuit Malfunction. I found TSB 05-04-21-002, it talks a...
2000 Chevrolet K3500 5.7L No Start, Hesitation VIN: 1GBJK34R3Y
2000 K3500 originally towed in and tested for very low fuel pressure (10 psi). Replaced the fuel pump, vehicle started and tested for 60 psi. Customer leaves the shop, and the vehicle dies later on that day. Towed back and tested 46 psi fuel pressure, no start...
1998 Oldsmobile Bravada 4.3L Cuts out VIN: 1GHDT13W3W
Truck loses power while driving at speed for about 30 seconds. Does not cut off just slows down and transmission down shifts. Then it regains power and everything is fine.It may go for days and not do it, or do it a couple times a day.It trips a code of 0300 m... Trouble codes: 0300 (multi cylinder miss fire)
1986 Pontiac Firebird Trans Am 5.0L Poor Idle Quality, MIL Lamp on VIN: 1G2FW87FSG
I have a code 44 with check engine light on. Fuel pressure is 35 Psi at idle and 42 at snap throttle. Seems to be intermittent as when at idle the car runs great with integrator at 138 and block learn at 140 or so.Still on the lean side. All of a sudden the ca... Trouble codes: 44 (lean exhuast)
2004 Pontiac Aztek 3.4L High Presure Line VIN: 3G7DA03E24
This system squeals/whistles and I feel a vibration in the high side line to the evap. The duration of the noise is only about 1-2 sec and is intermittent but often within 30 secs or so. Sometimes not at all but for sure it is coming from the high side line. H...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick Century Special 3.1L Poor Idle Quality, Cuts out, Stall VIN: 1G4AG55M4R
thank you everyone for the helpful ideas.the problem was a glitch in the maf sensor.replaced sensor and vehicle has been fine ever since.
1993 Cadillac DeVille 4.9L hvac VIN: 1G6CD53B9P
The problem was the low side temp sensor. Thanks to everyone who replied.
1995 Chevrolet Cavalier Z24 2.3L Steering assist VIN: 3G1JF12D6S
Where to begin, I got finally got caught up to be able to conquer this one. Power steering pump on "QUAD 4" starting in '95 is driven by a female hex on opposite of drive end of intake cam to a hex shaft made to the pump center vane rotor. Seems the cam has a ...
2001 Chevrolet Corvette 5.7L air outlet temperature VIN: 1G1YY22G91
The first 3 replies, within a couple of hours, said that the problem was low refridgerant even though the pressures were normal. That was the problem. We evacuated and filled the system and the problem is solved. Thank you all!
2003 GMC Sierra 1500 5.3L instrument cluster VIN: 1GTEK14T22
Hi: this one is fixed. First we tried to reflash bcm and ecu to see if a new download would fix the problem. Used GM site and truck had the latest and greatest software already in it. I talked to a tech at GM and he did some research and found a warranty bulle...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next