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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 12, 2020
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Open Help Requests for GM
Help Request Answers
2002 Buick LeSabre Custom 3.8L Poor Idle Quality, Poor Fuel Economy, high idle VIN: 1G4HP54K42
Good morning to all As you can see I inherited a mess from another party that worked on this vehicle.As I have stated this runs at 3000 rpms even after warmed up but twice it has run like it is supposed to idles around 1000 rpms take it for it for a twenty...
2012 Chevrolet Avalanche LTZ 5.3L Monitors VIN: 3GNTKGE74C
Truck has been to two or three other shops with no luck Trying to pass NYS inspection. The evap 02 sensor & the O2 heater monitors won't set Has been driven over 3500 hundred miles since June All data reads normal we did find engine temp running low 185 to... Trouble codes: P0521
2012 Chevrolet Silverado 2500 HD LT 6.0L Brakes VIN: 1GB1KVCG1C
Please help, this vehicle is wearing out front brakes. The first time we put front pads and rotors on it, it came back in 2 thousand miles with the pads worn again. We replaced the front calipers, hoses and pads. It came back again in 7 thousand miles with...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Cadillac SRX 3.6L P1834 TCC volt high VIN: 1GYEE63706
Thanks Tim [...] comment I enjoyed. Unfortunately The shop owner gave the car owner his money back. He didn't want to spend any more time on this vehicle or buy a new TCM. I ...
2009 Chevrolet Malibu LT 3.6L No Crank VIN: 1G1ZJ57709
I can jump the starter relay and it cranks every time. The park/neutral switch is always showing park. The vehicle is very inconsistent. I can turn the key to crank and it starts right up, or it will have a delay (varying between 1-4 seconds), or it will no... Trouble codes: P2535 (ign switch on/start position circuit high), U0121, U0140.
2005 GMC Sierra 2500 HD SLE 6.0L Late Shift VIN: 1GTHK29U45
This one is fixed. Hopefully this will prevent somebody some misery in the future. This tranny had an input, output and vehicle speed sensor. All three were plugged in and the way the plugs came out of the harness and the location of the sensors, there was no ...
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