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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 13, 2010
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Blazer LS 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1GNBT13W6W
This vehicle was recently purchased at an auction. It has had wires cut and spliced everywhere. I'm sure this is only the beginning for this one. The first issue is no DLC connection. We've checked the grounds and power at the DLC there ok. But pin 2 is dead a...
2007 Other GM h3 3.7L abs module VIN: 5GTDN13E37
pedal goes to floor. no brakes what so ever. will have good pedal intermittantly. no codes or abs lites.
1999 Pontiac Grand Am SE 2.4L Misfire VIN: 1G2NE52T6X
please help me i am working on a 1999 grand am it has a come and go miss fire that only hapens at idle, somtimes it will run good for 2 hours , and sometimes 10 min. I am ready to rip my hair out. thanks for the help in advance Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet S10 4.3L Misfire, MIL Lamp on VIN: 1GCCT19W11
we tried all the suggestions that we recieved from the tech support. we changed plugs,wires, cap. etc.. replaced the spider injection, no change, we adjusted timing., checked for vacum leakes, and still no change. finally a local gm dealer said they had some ... Trouble codes: 300 (random misfire).
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