× 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 March 19, 2015
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
2003 Cadillac CTS 3.2L Surge, MIL Lamp on, Extremely High Idle VIN: 1G6DM57N13
Vehicle was brought in with an extremely high idle that was surging at times (2000-3000 RPM) when in park. Cleared the codes from both the engine and trans modules. After about ten maybe 15 minutes the idle settled down to a normal level and was no longer surg... Trouble codes: P2135 (TP Sensor 1-2 Correlation), P0121 (TP Sensor or APP Sensor 1 Problem), P0221 (TP Sensor or APP Sensor 2 Out of Range), P2176 (Min Throttle Position Not Learned), P0507 (Idle Control System RPM Too High), P0700 (Transmission Control System Fault)
2002 Chevrolet Suburban 1500 LT 5.3L ABS System VIN: 1GNFK16Z92
Ok guys I know there are alot of front sensor clearance issues, I have checked, rechecked and cleaned all 3 sensors. I know the next step is to scope everything, but I'm leaning towards it not being a wheel speed issue. If there was a problem with the VSS, the...
2006 Chevrolet W3500 Tiltmaster W3S042 5.2L Cuts out, MIL Lamp on VIN: J8DB4B1636
hello this truck will go into limp mode with no throttle response after a hard accel and log p0087 p1093 ive replaced the fuel injectors the fuel filter housing and fuel filter the fuel pressure regulator and pigtail and the fuel limiter valve ive also bypasse... Trouble codes: P0087, P1093
2007 Chevrolet Suburban 2500 LT 6.0L Door Locks VIN: 3GNGK26K17
Thanks in advance for any information that might help us solve this problem. This Suburban is a news van with various transmitting and receiving components in it. Vehicle also has an Auragen Generator on it to support all the electrical equipment that it runs....
2008 Chevrolet Silverado 1500 WT 5.3L Lifters VIN: 1GCEK19JX8
Looking for opinions or suggestions why this lifter failed so early after replacement. Followed all torque specs in manual and have ran it with valve cover off to make sure it was getting oil it is.I presoaked lifters before installing in clean engine oil. Cam...
2009 Chevrolet Impala LS 3.5L Misfire VIN: 2G1WB57K19
runs rough only on first start of day.sometimes for 2 seconds sometimes a couple minutes.scan data good.fuel pressure good only thing we picked up was lite missfire cylinders 1,3,5 not enough to set a code exhaust kinda smells like gas and oil a little any ide...
2013 Chevrolet Malibu LT 2.5L Charging VIN: 1G11F5RR5D
Hi all I have this 2013 Malibu Hybrid that was in an accident. I had to change the generator due to it being damaged from the accident. The generator is not charging and the code that I got is a B1325. Any and all help will be greatly appreciated.
1995 GMC K2500 Suburban 6.5L No Start VIN: 1GKGK26F2S
this is an optical diesel, vehicle died out, tried a new pmd and no start, diagnosed a faulty lift pump and replaced, now have fuel to injector pump. )) heres where I dont get it. I plugged in the old module on the injector pump and saw and smelled smoke, look...
2008 GMC Acadia SLE 3.6L Rack and pinion VIN: 1GKER13748
Hey guy's, I've got a 2008 Saturn Outlook coming in next week for a new rack n pinion. It's says 7hrs. in the labor guide, I'm wondering if there are any short cuts or words of wisdom on performing this task. Thanks for taking the time to respond.
2009 Pontiac G6 GT 3.9L bolt in the block VIN: 1G2ZH36129
Anyone ever seen oil leaking out of the AC compressor bracket bolt near the oil filter adapter? The bolt looks like it screws into the block near an oil galley. Does it require sealant or could the block be cracked near the bolt? We have not disassembled it...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Hummer H3 3.7L Starting VIN: 5GTDN13E17
Thank you to all who replied, owner retrieved vehicle and is thinking on it. I don't know how much more information I can provide in order to close out this request for help.
2006 Pontiac Grand Prix GT 3.8L Hesitation, Stall VIN: 2G2WR55496
tks for replies. found tech had broken one of the MAP sensors(it has 2 as it is supercharged). replaced with aftermarket and problem still existed. replaced with different brand of aftermarket and still had problem. i was still convinced it was a MAP issue... Trouble codes: P0033, P0108 (Map/Baro signal high), P0132 (02 signal high), P1106 (MAP circuit intermittant high).
2007 Pontiac G6 GTP 3.6L timing chain VIN: 1G2ZM58797
new timing chain and all components fixed this lil jewel tks for all repelys and sry for being so stupied just never tore into one of theses
2007 Pontiac G6 2.4L MIL Lamp on VIN: 1G2ZF58B87
customer declined any further diagnostics I did replace both solenoids to no avail there was once I thought I heard a rattle on start up customer did claim she did regular oil changes but was 2 Qts low when I started to work on it Trouble codes: P0016, P0017.
2008 Pontiac Montana SV6 3.9L MIL Lamp on VIN: 1GMDV03W28
Thanks. Timothy, you are correct. I checked the history and the alchohol content issue WAS a rich code. I recommended the IMT valve and possible intake, and want to do further diag on the P0116. (Monitor IAT vs. ECT after a cold soak). Alldata offers numerous ... Trouble codes: P0116, P1174, P2070.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next