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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 7, 2009
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Open Help Requests for GM
Help Request Answers
1974 Chevrolet Corvette 5.7L vacuum VIN: 34R6T5T65T
I am looking for a Heating/AC vacuum hose diagram for a 1974 Corvette. It seems as if the system has been worked on many years ago and I have a small problem with the vacuum hoses that need to be replaced and/or reconnect
2002 Chevrolet Cavalier 2.2L No Start VIN: 1G1JF52462
Car was towed in from a dealers lot,said the car ran fine when he parked it a week ago,but now it just cranks.Put snap on brick to it . No communication to ecm,cannot get any codes from it or data,however,the bcm will communicate only,and i can make it trigger... Trouble codes: U1000 (no communication)
2006 Chevrolet Monte Carlo SS 5.3L cyl #4 VIN: 2G1WL15C86
This car is driving me crazy.I keep getting a p0300 random miss fire code. As I watch miss fire data cylinder #4 is miss firing the most.Some times it will not miss fire. While it miss fires I hear almost like a lifter noise. It is smoking from the tailpipe al...

Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Roadmaster Estate Wagon 5.7L runs rough all rpm VIN: 1G4BR8374N
Hello all, I do believe this one is fixed. I got a lot of great information from you all from injector to another computer, to wiring. As Steven said need to current ramp wich I think I said I did in the first post, I didn't have but .o1 milliamp difference be...
1998 Chevrolet Cavalier 2.2L Poor Idle Quality, Surge, Cuts out, Stall, Misfire
Thanks for all the help. The timing chain jumped a tool. Lots of good info given. From things I did check and couple i didn't. Trouble codes: P0300.
2001 Chevrolet Silverado 3500 8.1L valvetrain ?? VIN: 1GBJK39G91
Cylinder #2 cam lobe & lifter were damaged, replaced cam with new GM part, replaced all lifters, all is good. Thanks for all the replies, have a great day. Mark
2001 Chevrolet Suburban 1500 LS 5.3L MIL Lamp on VIN: 3GNFK16T21
Hi everyone. I would like to thank all who read and responded to the problem I was having with this Suburban. It appears that this vehicle has fixed itself. I sincerely wish I could tell you all what the fix was. When I last had this vehicle in, while perf... Trouble codes: P0446 (evap leak).
2005 Chevrolet Cobalt LS 2.2L No Start, Stall VIN: 1G1AL52F35
Tested MAF sensor and found it not working to specs. Replaced MAF sensor and ran fine. Thanks to everyone who replied on this. Terry
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