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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 30, 2010
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet Venture LS 3.4L MIL Lamp on VIN: 1GNDX03E4Y
hello techs i've been a gm tech for while now, never seen this one.i replaced headgaskets and heads [the norm]it ran fine cel came on for a o2 sensor,it was using antifreeze replaced sensor.ran great costomer took it home,but ever since the service engine soon...
2001 Chevrolet Blazer LT 4.3L Heater VIN: 1GNDT13W91
Replaced heater core on this Blazer. Upon completion, we have a "No Heat" situation. All modes (defrost, vent position etc.) work well,as does the blower motor.Both heater hoses are hot. Tried a different control(switch)assembly, with the same results. The hea...
1996 GMC K1500 Sierra SL 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: 1GTEK14W0T
thanks in advance for the help guys. this one came to me for a complaint of a poor idle quality.when i went to pull it in the shop i could hardly get the thing to start. i had to hold the accelerator to the floor while cranking to get it to start and razz the ... Trouble codes: P0300
2000 GMC Sierra 1500 SLE 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GTEC19T8Y
Hello Fellow techs, I have a 2000 GMC sierra pick-up 5.3L with code PO300 random multiple misfire I did compression cyl. test, injectors balance test, and KV. test, I pull out one by one primary ignition coil conector RPMs drops 80 to 100 rpms, excep cyl. # 4 ... Trouble codes: P0300
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1GNF52F82C
this is the third time in the shop first time it acted up after a long test drive over 20 miles. felt like fuel was cutting out. cust replaced ignition mod before bringing it in. by the time i installed test equpment it was running. so test drove more with equ...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade EXT 6.0L Battery VIN: 3GYEK63N92
I still haven't fixed this vehicle yet, Owner fed up so I purchased it, I will continue to chase this problem as time permits but it is looking like the on-star is the culprit, I haven't gotten around to disconnecting it, A BIG THANKS TO ALL THAT HAVE HELPED M...
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