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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 30, 2004
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1990 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1G1YY3383L
The co and hc readings that were given are cold and just after the engine goes in to closed loop, at this time the engine starts to adjust like its should but sure seams to go too far ie too lean, it then starts to run very rough and leans out too far. It will...
1998 Oldsmobile Aurora 4.0L Fuel Fill VIN: 1G3GR62C4W
Customer stated she lost her gas cap for 1 week. Now she has trouble filling tank. Fuel spits out when trying to fill at any speed other than a trickle. We removed filler neck to inspect. There is a flapper at the bottom but all looks a-ok. We are thinking abo...
1998 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13W6W
This vehicle came in with a no start condition. The customer went to the store,came back out to go home and vehicle would crank but not start. Once at the shop I had no communication with the PCM. I also had no MIL. After much tracing I found that if I unplug ...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Park Avenue 3.8L belt VIN: 13C5464K4S
Hello all, thank you for all the help iATN kicks ass! well the replies where all great and got me thinking harder. The fix was as simple as it gets , and I'll explain . The freakin belt was the cause of the whine! It was one of those GATOR BACK GOOD YEAR belts...
1992 Chevrolet Corsica LT 3.1L Poor Idle Quality, Surge, Stall VIN: 1G1LT53T5N
Finally fixed the corsica. Borrowed a genisis to be able to see more and the gensis came up with a different code. Said it had a bad MAP, replaced it and it ran better but after 11 mins. of running the pesky code 35 AIS would come back. Changed TPS to .56 now ... Trouble codes: 35 (ais motor replaced and still sets).
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