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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 29, 2012
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Open Help Requests for GM
Help Request Answers
2000 GMC Safari SL 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEL19W5Y
I have a 00 Safari running very rough at idle. Shows misfires on # 1 and 4, mostly on # 4. Fuel trim Bank1 st -7,lt -3 Bank 2 st -30 lt -3 at idle. Fuel pressure 62 at wot, it isnt dropping when shut off. Did injector flow test and all were even drops. 02 stay... Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
1986 Cadillac DeVille Touring 4.1L engine VIN: 1G6CD6986G
My apologies for the delay in responding. Yes the vehicle is fixed,Thanx to the tech who told me about the pinched wire under the air cleaner. A closer look revealed a very small cut on rear inj.hot wire. Cleaned injectors and installed replacement pigtail. Fi...
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