× 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 June 14, 2010
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
2002 Buick Century Custom 3.1L abs VIN: 2G4WS52J12
Hello all and thanks in advance for any help, I have this 2002 Buick Century that originally came in about 2 months ago for abs light, scanned and found code for the right front sensor, cannot remember exact code thinking it might have been c1226, anyway testi...
1980 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1Z87HAS437
Thanxs in advance I have this vette cant find the obd conector dose anyone know where it is or how to get codes out of this dinosaur.
1986 Chevrolet Corvette 5.7L 1-2 Shift VIN: 1G1YY0784G
Hello my follow Tech's I'm not a full fledged transmission guy but, I think this might be an easy repair. The transmission does not come out of first gear intermittently. Most of the time it shifts fine, every once and awhile it will not shift out of first. An...
1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY32P6R
Car towed in for no start replaced battery,cranks no start,had code 16 no low ref signal tested for signals to pcm had low and high ref signals. Got pcm back still same problem i can run car on starter fluid now what i have found is the pink and black wire fro... Trouble codes: 16 (No low ref signal)
1998 Chevrolet Blazer 4.3L Unknown VIN: 1GNDT13W5W
have this blazer in and sometimes the only way to get any heat from the heater is to put the control on high heat, once it gets warm enough even on auto it will not slow down you have to move the control off high heat but once you do even if you just moved it ...
2004 Chevrolet Silverado 3500 6.6L No Start, Stall
The problem is an intermittant crank/no start after a hot soak, always starts after a couple of hours. On the way back to drop off the customer at his house it started loosing power and surging. After dropping him off I hooked up the scanner and headed back t... Trouble codes: P0401 (EGR flow insufficient), P0404 (EGR open position performance)
2009 Chevrolet Impala LS 3.9L shift indicator off VIN: 2G1WS57M39
Shift indicator outer lite won't light up, trans starts out in high gear,8k miles,scan tool shows "in gear" park /nut when shifting,fuses ok.Thans Techs!
2003 GMC Sierra 2500 HD 6.6L No power VIN: 1GTHK23123
Any ideas would be helpful, heads were replaced by another shop and they could not figure out why it had no power. We got it and it had a misfire found broken push rod, replaced push rod and misfire is gone. with tech II boost stays at 12 psi even under a load...
1997 Pontiac Sunfire SE 2.2L Poor Idle Quality, Stall VIN: 1G2JB1249V
This car keeps re-syncing the cam/crank sensors when it is fully warmed up(will eventually set codes for cam and crank sensor problems).Of course when it does this it hesitates or in some cases stalls out just at idle going down the road it is fine.Crank senso...
2002 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J62
Need some help here fellas... I have a friend's 02 Grand Prix 3.1 V6 that is a crank, no start. I have good spark and 60 psi fuel pressure at the rail. But I have determined that something is preventing the injectors from firing - I have no injector pulse. The...
2005 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP52205
Customer brought in the car with a check engine light on, po420, we thermal tested the cat & found a 30 degree rise in temp, front to back, replaced the converter, roadtested and the code came back within 20 miles, we monitored the o2 sensors and found a glitc... Trouble codes: P0420

Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Rainier CXL 5.3L oil gauge VIN: 5GAET13M65
Hello techs, The fix for this vehicle was a new oil pressure sensor. I didn't have a manual oil pressure tester to fit in place of the oil filter nor the oil pressure sensor, so i wasnt able to test for oil pressure. I used my scan tool instead and verified pr...
1997 Chevrolet Cavalier 2.2L timing gears VIN: 3G1JC5242V
thanks to all that applied. This car had a severe lack of maintenance. We put the gears on and ran the car to see if there was any oil coming out of the oiling hole above the cam. We felt there was not enough. We made t he hole a little bigger and t here was p...
1999 Chevrolet Tahoe 5.7L valve adjustment VIN: 1GNEK13R9X
Since this was not a customer vehicle, I have only worked on it when I've had the time and lately, I have not had any. Anyway, I can't explain for certain why initially I only had compression on about half the cylinders by adjusting the valves the way I have f...
2002 Chevrolet Camaro 3.8L Engine VIN: 2G1FP22K82
A new motor fixed this one. I'm glad to see all the replies this generated, thank all of you for your time and input. I hope all of the replies on this in one place will help others and serve as a heads up on a repair that seems almost routine. Thanks ...
2006 Saturn Ion Red Line 2.0L MIL Lamp on VIN: 1G8AJ55FX6
Took to dealer,free repair flash computer,150,000 mile campaign dealer their is a campaign for 15yrs,or 150,000 miles on Trouble codes: P2440 (Secondary air injection system switching valve A stuck open).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next