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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 10, 2013
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Open Help Requests for GM
Help Request Answers
1999 Chevrolet Silverado 1500 5.3L Hesitation, Misfire, MIL Lamp on VIN: 2GCEK19T4X
cold and warm on accel no power complete breakdown feels like all cylinders misfiring let off gas smooth at idle once fully warmed up runs good p0336 sets right when it starts breaking up, clear comes right back once hot will not reset. Trouble codes: P0336
1999 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T8X
I have a 1999 Silverado at my workshop. It's been to just about every other workshop in town. The problem is the engine management light is on (has been for years the owner told me) The problem with the vehicle was that it would stop and not re start from time...
1999 GMC C3500 Sierra SL 6.5L No Start VIN: 1GDKC34F4X
This is a bucket truck that is equipped with remote engine start and shut off so person in bucket can start the engine. I'm not very experienced with security issues and my modis and Autel don't seem to have any access for body or theft system. The security li... Trouble codes: P1626 (vech theft deturant controller serial data), U1000

Fixes & Summaries for GM
Fix/Summary Answers
1993 Pontiac Grand Am GT 2.3L MIL Lamp on VIN: 1G2NW14A3P
OK so after some research found out that pin b in aldl should be 12 volts and the info I had was wrong.anyway ecm regardless wouldn't flash code 12 even when grounded at ecm.rechecked all power and ground checked for shorts.installed another ecm no help.finall...
2003 Saturn Ion-1 2.2L clutch pedal VIN: 1G8AF52F33
thank you everyone for your help I tried every bleeding procedure I could think of as soon as I put a new master on I applied 25 hg of vacume to the resovoir and right away I got a hard pedal...thanks again. I forgot to mention I took Bernard advise and used...
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