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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 11, 2011
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet K1500 LS 5.7L compression VIN: 1GCEK19R4X
no compression in cyliders 4 and 5 I mean 0 but the rest are good puller o2s out changed cap and rotor first thinking it was cross firing so i decided it needs heads but i got to thinking if my timing chain jumped would I only lose 2 cylinders or would it be w...
2008 Pontiac Grand Prix 3.8L Reduced engine power VIN: 2G2WP55288
Please review repair history before replying. We have done every wiring repair per every TSB's and Identifix we could find. Problem- Vehicle intermittantly, and randomly goes into "reduced engine power" mode. Check engine light goes on with Throttle body code...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet S10 4.3L engine
Thanks for all the replies, looks like everyone in the country has worked on the 4.3 liter. Turned out to be an intake gasket. Customer was an old friend and not sure about wanting to do the repairs. I had to do the job just because of the strange noise that w...
1999 Chevrolet C3500 7.4L No Start, weird symtoms VIN: 1GCHK39J3X
well this one is fixed.it was the security issue that was throwing us off.exhaust was OK.went and found a 99 column, installed it, run the relearn procedure, we tried it so many ways, we don,t wanna try no more..:)))truck still doing same thing.Luckily for us ... Trouble codes: P0108.
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