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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 24, 2009
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet C2500 6.5L No Start VIN: 1GCGC29F0T
It's been awhile since I've done an injector pump r/r,please help with procedures. Also could use help on location of injector pump driver unit. Thank you. Trouble codes: P1656 (Driver 2 Line 6 Failed)
1997 GMC C1500 Sierra SL 4.3L No Start VIN: 1GTEC14W5V
Thanks in advance for any help. This vehicle will not start after sitting for usually 24 hours. Will have a long crank time. Key can be held in crank position for 10-20 seconds and it does not show any signs of starting. As the key is released engine will fire...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Pontiac Grand Am SE 2.2L Turn Signal VIN: 1G2NF52F12
Unfortunately I was not able to solve this problem. I replaced the Multifunction switch assembly on the steering column as well as the Hazard switch on the dash above the radio, both with OE from GM dealer. Still the issue was present. I started checking wiri...
2005 Pontiac Vibe 1.8L line pressure VIN: 5Y2SL63805
Problem was PCM. The problem was so intermittent that I could not find a bad signal pattern on lab scope. So I sent the PCM to a known, reputable repair/test facility and told which pins on which connector and how it was operated. They sent it back as tested O...
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