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Prev Professional Automotive Repair Technical Discussions for May 28, 2006
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Open Help Requests for GM
Help Request Answers
1983 Cadillac DeVille 4.1L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy VIN: 1G6AD4788D
i replaced plugs again because they were black fuel fouled, and the o/2 because it was dead. it is better but owner said he never knew it was out of water but it was 2 gal low and it goes right back out, water pump out and backing gasket, he said never overhea...
1996 Chevrolet Camaro 3.8L Misfire VIN: 22KXT21598
cust,requested new spark plugs put in,check engeine light was on,miss fire code p0300 was in the system,(#5)plugs didn't help,checked coils fond green on spades,replaced modual and cylinders 4 and 6 miss at idal and at 2000 rpms thay stop missing nad... Trouble codes: P0300
2002 Chevrolet Tahoe LS 5.3L spark knock VIN: 1GNEK13T82
Help.. 02 tahoe spark knocks real bad. fuel pressure 55. no codes. Did the bulletin for knock sensor and building a water dam under intake. Motor vacced the engine. Fuel trim is 10%. smoked for a vac leak none. All sensors are in the normal range compared to a...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Pontiac Grand Am GT 3.1L door locks VIN: 1G2NW52M4V
Thanks to all that replied and I followed up on some of the tips that were kindly donated. This condition is so intermittent that the customer has decided to cope with it. Although, in my update I spoke of a excessive draw when the brake switch was applied. I ...
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