× 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 November 2, 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
1999 Cadillac Seville SLS 4.6L abs light on VIN: 1G6KY5499Y
it has codes c1248 c1254 and they dont give me any information about it on alldata or scannner. i hooded up my scanner to it and see i have NO DATA for .. lf tcs iso valve ..lf tcs prime ..lf wheel speed...lr wheel speed..lf hold..lr hold..lr reaslease...rf tc...
1977 Chevrolet K10 Cheyenne 5.7L fuel gauge VIN: CKL247J187
I have a truck with duel gas tanks, mechanical pump. I am having a hard time finding schematics for this one. Customer doesn't use the left tank and just wants the gauge to work on the right one, sounded easy until I got underneath it. What a wiring nightmare....
1992 Chevrolet Lumina 3.1L battery VIN: 2G1WL54T6N
I think I need counseling cause this vehicle is driving me crazy. The battery in the vehicle will go dead in as little as a week. I performed a draw test on system and only had 6.97ma. Great right? I installed a fully charged, fresh battery with a quick discon...
1995 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2G1WX12X4S
Hi all.I have a '95 monte carlo with a 3.4 DOHC engine that has a dead miss on cylinders #1 and #2. The miss is always there wether at idle or higher engine speeds,under no load or with one.found that both spark plugs were fouled.I replaced all plugs and plug ... Trouble codes: 117 (coolant temp too low)
1998 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Hesitation VIN: 1G1JF12T2W
This vehicle will almost always pop and try to stall after a cold start. After it warms up it runs better but after a little bit of run time the vehicle will hesitate and pop(lean pop like it is running out of fuel) upon acceleration. Fuel pressure is good and...
1998 Chevrolet Malibu LS 3.1L Shift solonoids VIN: 1G1NE52MXW
Hi Guys and Girls I have this car came here no start when it came in. The customer said it was running fine and stopped on him. When i started checking it i thought maybe the VAT was the fault coz it start and shut down. after checking everything I could , and...
1998 Chevrolet Express 1500 5.7L steering box VIN: 1GBFG15R6W
Hey Guys, I can't help but feel frustrated by a phantom power steering problem I'm having with this vehicle. It started with a simple steering stiffness at low speed like a parallel parking maneuver but intermittantly only. We found a leaking steerign box and...
2004 Chevrolet Silverado 1500 5.3L Drive-axles VIN: 2GCEK19T34
Good Morning: This 4x4 system seem to operate properly. Shiftes to 4x4 and low 4x4. You can feel the wheels binding when you turn so I feel that everything is operating. The lights on the dash are not operating correctly. When it goes to 4x4 the 4x4 light fla...
2004 Chevrolet Express 2500 4.8L Poor Idle Quality, Stall VIN: 1GCGG25V04
Hy guys i need your brains with me on this ine , the truck came in with idle too low & it had a code p506 idle is too low. install new throttle body ,check the circuit all good the clean intake test drove & the truck is fine , the next day customer came back &...
1996 Oldsmobile Cutlass Ciera 3.1L No Start VIN: 1G3AJ55M7T
Hi Folks. This car is driving me nuts. Let me start by saying there has been many people in this before me. Itís a 3.1 SFI DIS OBD II. I have no spark. Someone put in a Crank & Cam sensor. The Coils & Module have been replaced with a good known unit. I have po...
1989 Pontiac Grand Prix 3.1L heater core
just need info on what is involved in removing and installing a heater core
1991 Pontiac Grand Prix SE 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1G2WJ14X3M
Hello, We have a Grand Prix that just won't go away. We did not drive the car before due to a really bad rod knock. After the engine rebuild, the car runs terrible on start up. Of course, the car wasn't this way before the engine rebuild, supposedly. The idle ...
1991 Pontiac 6000 LE 3.1L No Start VIN: 1G2AF54T5M
this car came in as a nostart it has good spark good fuel presure no injector pulse check all grounds check power to ecm all good when testing the tach signal to ecm from battery wiht test light fuel pump comes on but theres no injector pulse.tried new ecm a r...
2000 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52TXY
hi guys thanx in advance.i have a 2000 2.4l pontiac grand am. the car idles at around 2000 to 3000 rpm on cold start and goes down to 1300 to 1500 when it start to warm up. ive seen a few of this type of problem in the fix database.one says that a tps sensor t...
1995 Saturn SL1 1.9L door locks VIN: 1G8ZG5288S
Hi, hope you Saturn techs can help me out here. When you pull into a parking spot and press the lock switch , on the drivers door, intermittantly, but most of the time, the doors lock and then unlock, given only the lock command from drivers door lock switch. ...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Century Custom 3.1L windows, odometer VIN: 2G4WS52J71
Thanks to all that replied. After a few of your responses, we talked to the client again and discovered that both problems DID NOT happen at the same time. the dash has been acting up for a bit and the window has been doing funny things intermittently. (funny ...
1999 Cadillac DeVille 4.6L Accessories VIN: 1G6KD54Y2X
well after 14 replies,most said it was a lock cylinder/key problem.it was.replaces key and reprogrammed new keyfobs all is good.i new the wiring was ok because i could see on my scanner that i got run,start, etc positions from the lock cylinder.thanx again tec...
1989 Chevrolet G10 Chevy Van 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy VIN: 1GCDG15H9K
Well guys, it isfinnally fixed. I stopped working on it and waited about a week to clear my head, then went back to it and started from scratch. The truck has plentyof vacuum and the hoses were not leaking. The map sensor was just going haywire. I started chec... Trouble codes: 45 (o2 sensor rich).
1997 Chevrolet K1500 Cheyenne 5.0L No Start VIN: 2GCEK19M6V
thanks to all for the help , well the new coil did turn out to be junk but the main problem was the white and black wire from the ignition control modual to the coil .which is why when i tried a different coil still had no fire . i replaced the wire just on a ...
1997 Chevrolet C2500 5.7L abs module VIN: 1GTGK24J9V
I don't know if you folks heard it or not, but there was a loud pop when my tech pulled his head from his rear & decided to check the fuel pump draw. Also, between the customer & the tech, there was some confusion as to which fuse the customer had been replaci...
1998 Chevrolet K2500 Suburban 7.4L front brakes VIN: 3GKGK26J1W
OK, Thank you all for spending the time to read and respond with good ideas. We ground down the master cylinder to hydroboost shaft 1/4 inch and test drove vehicle. Issue was no longer present but the brake pedal seem to travel too far. After bleeding brakes a...
2001 Chevrolet Prizm 1.8L Lacks Power VIN: 1Y1SK52861
I do want to thank all who have replied. We have repaired this car but have been super busy and posting the fix has just slipped my mind. And most of the replies were correct in saying the Mass Air Flow as the culprit. I did the typical wiggle test on the wire...
2003 GMC Sierra 1500 SLE 5.3L Stall, MIL Lamp on VIN: 2GTEK19T23
thanx for all the help gentlemen, it turned out to be a faulty ground wire in back of engine compartment. Trouble codes: P0607 (trans range sensor out of range).
1999 Oldsmobile Alero GLS 3.4L cooling syst. VIN: 1G3NF52E3X
Sorry guys about the delay. I finally got the auth. to fix. It turned out that the front head was cracked and when it heated up it sealed. Thanks for all the help, who would think it would only overheat once! Thanks again for the help. Mike
1989 Pontiac Grand Prix 3.1L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on
thnx for the help everyone the problems were the fuel injectors
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next