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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 24, 2010
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Open Help Requests for GM
Help Request Answers
2008 Cadillac DTS 4.6L front windshield VIN: 1G6KD57Y88
Well Cadillac techs or anyone else having this problem on any other car before I need some info on this one. Customer says that the car windshield area makes a houting vibrating noise any where from 65 to 95 MPH. You can feel it on the windshield, sunroof , ro...
1983 Chevrolet C10 Custom 5.7L Hesitation VIN: 2GCEC14H20
We replaced the engine with what he brought in, we used the original intake, at first with, original rochester carb, tried to get it all set up, and could not get more than 14-15" of vac and base timing ranged from 55-[...]. We have tried to adjust timing ...
2000 Chevrolet Tracker 2.0L No Start, Stall VIN: 2CNBJ13C51
i only have 5 min to test vehical then it starts and runs all day untill i drive it again then let it idle for 15 min and it then acts up again. I will put more info if i get any suggestions to try at this time i have no were to go.
2005 Chevrolet Silverado 3500 6.6L Hesitation VIN: 1GBJC39245
Thanks to all who are reading this! This vehicle is a 2005 Chevrolet Silverado C3500HD cab & chassis utility body service vehicle for a petroleum & lift contractor. It is chronicly overloaded to 14,000 lbs+ but usually drives OK. Our shop has been maintaining ... Trouble codes: P1093 (Fuel pressure low during power enrichment)

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Century Limited 3.1L Collision Repair VIN: 2G4WS52JX2
My boss bought another Buick Century scrapper and I took the bcm out and exchanged it and found that I could now clear the codes and the U1064 didn't come back. But the car would not start. I know that it had to be flashed so thats in the process. Thanks guys ...
2001 Cadillac DeVille 4.6L Cooling Systems VIN: 1G6KDS4YX1
The only logical explanation for this overheating concern had to blown head gaskets, and based what feedback I recieved from all the replies from IATN. The customer declined any further repairs to the vehcile. Thanks for all the help and replies I recieved.
2001 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR54R31
I was able to measure the exhaust output from each bank tubes and found bank 2 was putting out about half of what bank 1 was (20" H2O. This vehicle is from another shop and had to wait to hear from them after advising him that time to remove exhaust manifold ... Trouble codes: 411 (secondary airlow flow detected).
2004 Chevrolet Trailblazer LS 4.2L Surge, random acceleration
This vehicle is fixed! You guys were right on, i cleaned the throttle body and relearned the tac motor. It took so long to close this post because it still ran like crap afterwards! Turned out to have a bad front 02 sensor that showed up after a couple days. T...
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