× 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 July 5, 2006
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
2000 Buick Regal GS 3.8L Cuts out, Stall VIN: 2G4WF5519Y
Hi guys, I have this Buick that is real quirky. Customer says that it stalls anytime, hot, cold, accel, decel, whenever it wants to. I had the vehicle for a few days, and the only time it stalled for me was after about a minute and a half of running in the mor...
1993 Cadillac DeVille 4.9L Poor Idle Quality, Surge, Cuts out, Stall, Poor Fuel Economy VIN: 1G6CD53B6P
Hello again techs, I am getting my butt handed to me on this one. This caddy was towed in with complaint of last two tanks of fuel got horrible gas mileage and then stalled and wouldn't restart. We replaced pickup and module, now car will start but runs terrib...
2001 Cadillac DeVille 4.6L Poor Idle Quality, Hesitation, Cuts out, Misfire, Smoke VIN: 1G6K57981U
Hey Caddy techs, I have a 01 deville that is killing me.This car upon cold start smokes white smoke that smells like fuel.It then starts to misfire on all 8 cylinders.Vaccum starts at 17inhg then drops to 0inhg.Map volts go to 4.87 volts.Injector pw goes above...
1993 Chevrolet G20 Sportvan 5.7L Hesitation, Stall VIN: DJFGGUURUG
Hey guys got this van and it is driving me crazy,when you put it in gear it cuts off sometimes.When you driving it sifles like it is not getting gas.i checked the converter and it is not blocked up.I had another van there and switced the idle control valve,map...
1995 Chevrolet G20 Chevy Van 5.0L MIL Lamp on VIN: 1GCEG25H7S
I got this van from another shop,the check engine light is on there is no communication with on board computer I tried to manually jump aldl connector to flash code 12 but it does nothing.The preformance on this van is terrible it has no power I checked for ex...
1996 Chevrolet Corsica 2.2L Surge, MIL Lamp on VIN: 1G1LD5547T
Hello This car has a bad idle surge. After you start it up the idle will slowly climb to around 1300 RPM and then the idle will start surging. IAC counts are 0 so we have searched this over for a vacuum leak and have been unable to find one through sound or by... Trouble codes: P0507, P0172 (Fuel Trim Rich intermittant code)
1999 Chevrolet K1500 Suburban 5.7L Stall VIN: 3GKFK16R1X
vehicle has gone through all tuneup systems serviced new distributor housing was cracked the engine runs perfectly only it will occasionally stall when accelerator is released or the engine is at idle relearn done after idle control motor replaced fuel pressur...
2000 Chevrolet Silverado 1500 4.8L No Start, Hesitation, Surge VIN: 2GCEC19V5Y
Hi fellow techs and thanks in advance for your help. This truck will intermittantly hestitates or surges while cruising and going up hills. Sometimes it wont start after a hot soak. Cold it runs great and starts right up. Fuel pressure was checked and rechecke...
1994 GMC C2500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GTGC29K2R
Hello to all gm techs this truck is making me pull my hair out. The vech came in with the complaint of coolant loss and white smoke out the tail pipe. checked and diagnosed to be a headgasket. The headgaset got repalced. Started up the truck and it ran for a b...

Fixes & Summaries for GM
Fix/Summary Answers
1992 Chevrolet S10 2.8L Excessive Emissions, Poor Fuel Economy VIN: 1GCCS14R0N
Thanks guys for all the great replies. Im a one man shop so I dont have the convienience of talking to another tech, but iATN makes it possible. I got 30 replies,all of you trying there best to help me,and one know it all reply. Seems theres one of these guys ...
1995 Chevrolet S10 LS 4.3L Stall VIN: 1GCCS19ZXS
It was the ignition switch. After about ten mintues the switch get very hot and power dropped to the #9 and 10 fuses (ecm fuses). Replaced the switch and truck hasnt acted up since. Thanks to all that replied to this request. The best resource a man can have a...
1998 Chevrolet K1500 Cheyenne 5.7L wipers VIN: 1GCEK19R1W
Yes I have fixed this, It was as I suspected. We replaced the wiper module. Thanks for all the replies. Nate
1999 Chevrolet Express 1500 5.7L Speedometer VIN: 1GNFG15R2X
It's fixed ended up being the ECM. Pulled it out and full of water, opened it up and corrision all over. Put new computer in and speedometer works perfect, no problems. Thanks to all that relpied.
2001 Chevrolet Monte Carlo SS 3.8L radio VIN: 2G1WX15K91
Thanks to all who replied, many of you said it was bcm, after ordering bcm through local dealer and they even had this thing in stock so i was pretty convinced that was the problem. After new bcm and notice radio still stayed on so we went furthur and find ign...
2003 Chevrolet Astro 4.3L drive train VIN: 1GNEL19XX3
Thanks to all who responded to my post. Now for the fix. Had many replies pointing to transfer case fluid problems and transfer case coupler problems. The fix was a suggestion to look into the O.E. front diff. Severly scored carrier bearings were found. The sa...
2004 GMC Safari 4.3L driveline VIN: 1GKEL19X04
unfortunately the customer decided at this point not to spend any money on the van. however, to solve the problem we were hoping to balance the drive shaft, it is slightly out of round. the second step was to install dampners on the rear axle and springs-rathe...
1987 Oldsmobile Cutlass Ciera S 2.5L Poor Idle Quality, MIL Lamp on VIN: 1G3AJS1R7H
I decided to check IAC operation good and found that in field service mode I had one circuit not lighting the test light. Traced the open circuit back to the ECM. The ECM fixed the idle problem. I still have a wave form back to the ecm from the vss but the pid...
2000 Pontiac Bonneville SSEi 3.8L abs VIN: 1G2HZ5410Y
I doubled checked myy connections at the abs module and all looks good.I recommended changing the abs module assembly but customer declined on repair.
2002 Saturn Vue 3.0L service light VIN: 5GZCZ63B32
i drove car again and the light went off and hasnt been on since,i dont know what the problem was or if the light will continue to stay off.but thanks for all your help again.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next