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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 25, 2008
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Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Custom 3.8L fuel gauge,radio,abs lite VIN: 1G4HP54K7Y
hello all. vehicle came in with,no radio,no fuel gauge,abs lite on,security lite on ,check engine lite on,no power door locks on any door,radio and fuel gauge come and go sometime turn on hazard lites radio returns but no always.checked charging system,servera...
2000 Cadillac DeVille 4.6L Cooling Systems VIN: 1G6KD54Y3Y
This car only runs hot when driving at idle does not heat up have used airlift to bleed system 3 minute drive and it is hot 266 degrees park and idle temp goes down help me or what
1994 Chevrolet K1500 Cheyenne 6.5L Hesitation, Surge, Cuts out, Stall
Thanks for your help in advance. I am not much of a diesel guy but trying to help a good customer. Truck will hesitate and not have alot of power on acelleration. Sometimes running it will stall w/ no surge or anything just like the key was shut off. Will rest...
2003 GMC C6500 Topkick C6C042 8.1L loss of power VIN: 1GDJ6J1E83
Vehicle experiences an intermittant loss of power - approximately every 3 days. Seems to be going into 'Limp'. When key is turned off, system will reset and truck will run OK for another 3 days. All powers and grounds good. Disconnecting the APP or the TP conn... Trouble codes: P0220 (TP or APP Sensor Circuit 2 Failure)

Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick Rainier CXL 4.2L ABS, BRAKE, and PASSENGER SEATBELT warning lights VIN: 5GADS13S74
Thanks for all the help, several replies pointed to the ignition switch. I replaced the switch and the problem hasn't returned...keeping my fingers crossed. Thanks again y'all.
1999 Chevrolet Lumina 3.1L Surge VIN: 2G1WL52M7X
Well thanks to all of you that gave me some much needed brain stimulation on this teaser. Well to get to the point the real fix was the O2 sensor as suggested by many. The real kicker was that the thing read a good signal all of the time and I could not find ... Trouble codes: P1106.
2000 Chevrolet Venture 3.4L No Start
Thanks to all who replied. Bradley and Alex nailed it. The Passkey module is a class 2 device that communicates with the Tech 11 scanner. So when the new one was installed and we got communication and data from it we new we were on the right track even though... Trouble codes: 1626 (Fuel enable signal not received).
2001 Chevrolet Impala 3.4L Poor Idle Quality, Surge, Stall VIN: 2G1WF52E61
could not duplicate the problem again. cust picked up vehicle. Put a call into him this morning and he said it hasnt happened again. Called GM techline found a BCM hardware update to GMAN169. I have not done anything with this so i dont know if it will fix the... Trouble codes: U1000 (Loss of class 2 serial comm), U1255 (Generic Class 2 communication fault), U1016 (Lost comm with ECM/PCM/VCM).
1997 GMC C1500 Sierra SL 5.0L Headlights VIN: 2GTEC19MXV
Thanks to those who responded. But, as you can see I'm not sure if problem is fixed. I received three replys leading me to believe this condition is very rare. One reply suggested checking to see if parts customer replaced were OEM, they were. One reply sugge...
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