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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 6, 2019
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Open Help Requests for GM
Help Request Answers
2002 Cadillac Escalade 6.0L MIL Lamp on VIN: 3GYEK63N42
Thanks in advance, got some rich codes kicking my butt. Hopefully someone has been here before. No Drivability issues at all, codes will reset at 3 miles down road but not at idle. Fuel trims at idle and cruise S -7 and L -10 at all times, never goes into ... Trouble codes: P0172, P0175
1995 Chevrolet Caprice Classic 4.3L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G1BL52W1S
starts and runs fine until accelerating . then cel light comes on with low oil level light. engine cooling fan comes on and stays on until ignition is turned off. everything resets when ignition is cycled. engine idles rough & hesitatesafter lights come on Trouble codes: 13 (heated o2 open circuit), 27 (egr solenoid open circuit)
2011 Chevrolet Express 4500 6.6L White smoke VIN: 1GB6G5CL9B
This diesel will blow billows of white smoke intermittently. When it does, it seems to run fine and no codes. We thought it was the DEF system pumping excessive urea in the exhaust. We did a flash to delete the DEF system. We removed DPF and still blows wh...
2006 GMC Sierra 2500 HD SLT 6.6L Steering VIN: 1GTHK23D66
Hey guys, I have this 06 2500 Sierra 6.6 diesel with hydroboost system. When turning the steering wheel to the left at slow speeds or while stopped, there is a rubbing/grunt type noise, doesn't do it when turning right. The pump is full, no air in fluid, I...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Monte Carlo LS 3.4L Hesitation VIN: 2G1WW12E62
Ended up, that the issue was coil #2. Previous tech had stated he replaced coil, but actually had not. never got to get any misfire data from computer until i decided to get on a really long incline and throw the gas to it. Finally a traceable misfire. Replace...
2004 Hummer H2 6.0L fresh air actuator VIN: 5GRGN23UX4
I installed the part number given to no avail. The customer is in the process of finding me a new original gm control head. thanks for the attemps to help. If I fix it I will open a new help request with what worked.
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