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Prev Professional Automotive Repair Technical Discussions for November 26, 2006
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Open Help Requests for GM
Help Request Answers
1987 Chevrolet R30 Custom Deluxe 7.4L Hesitation, Surge, Cuts out VIN: 1GCGR34N9H
hello men and women, here is the problem. this is my own personal truck it was a special order truck in 87 for pulling. it has 454 tbi with the 4 speed man trans with granny gear. along with 4:56 rear end. this truck has run good all until i retired it 5 years...
1989 GMC S15 Jimmy 4.3L Poor Idle Quality VIN: 1GKCT1826K
ok, this thing has got me over a barrel. it runs rough when cold then smoothes out when fully warm (not when it goes into close loop),around will still have a slight hesitation at tip in,but, runs fine after warmed up.i can't see the smoking gun on my ...
1997 Pontiac Grand Am SE 2.4L engine VIN: 1G2NE52T5V
Hello everyone, need help with this one! 97-grand am came in after overheat, Diagnosed headgasket. after teardown, found head was warped. Had head machined, lapped valves, and re-assembled with new timing components. After start-up, the engine vibrates badly (...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Buick Skylark 3.3L Cooling Fan/Engine VIN: 1GYNM1YN0L
First, I'd like to thank everyone for their replies and help. I have replaced the ECM and so far the problem has not repeated it self. I'm hoping I've seen the last of this problem. Thanks Again Patrick
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