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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 12, 2005
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Open Help Requests for GM
Help Request Answers
1994 Buick Park Avenue Ultra 3.8L Poor Fuel Economy, MIL Lamp on VIN: 1G4CU5216R
hey buick techs this is my own baby. If your a true buick tech. than you know this car is a half breed of obd1 and II. the QDM 1 controles the tcc lock up, the purge, and the boost circuit. the ses light has come on at 10 mph code and hot. come on at 40+mph. W... Trouble codes: P1640
1991 Cadillac DeVille 4.9L vibration VIN: 16CD53B6M4
Hi I got this cadillac in my shop. It has had a vibration that starts about 30 mph and gets progressively worse up past 70mph (and maybe higher, as I did not push it much past 70). The owner has had the problem for almost a year. He has had the tires balanced...
1991 Chevrolet Corvette 5.7L Surge, Stall VIN: 1G1YY3382M
Vehicle came in with misfire. Found 2 ign wires arcing on engine. Replaced all tune up parts with factory GM parts. After tune up, misfire is gone and runs very strong! However, engine idle is rough (not like misfire, more like surging)and if you leave it in g...
1998 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13WOW
Ok fellow techs...this truck came in on a hook...as a no start. When we tried to get into gear it would not go. We disconnected the linkage from the shift rod and pushed it in the shop. First we found that the security chip in the key was no good. Called the c...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Cadillac Escalade 5.7L start/stall VIN: 1GYEK13R8X
This is my wifes truck, the shop around the corner checked for body codes and there where none, also she drove this truck to new york this passed week end and it did not act up at all. The only changes that I see from this passed week end and the other times i...
2002 Chevrolet Malibu LS 3.1L Misfire, MIL Lamp on VIN: 1G1NE52JX2
thanx for all the rerplies, thr customer had to take the cart and has not returned, ill post the fix as soon as he brings it back Trouble codes: P0302.
2006 Hummer H2 6.0L Sunroof VIN: 5GRGN22U66
Well the fix is in. First we ordered another mounting kit for the sunroof spoiler, and added two more mounts towards the center of the spoiler making it now a total of four mounts, this definetely stopped the center of the spoiler from flapping, BUT the noise ...
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