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Professional Automotive Repair Technical Discussions for February 5, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Chevrolet Blazer 4.3L abs The truck came in for soft/spongy brakes. Randomly, the red brake light would come on, and the brake pedal would go to the floor. Other times the brakes would feel and work normal. We found that the proportioning valve (mounted to the ABS unit) was by-passing ... |
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| 2004 Chevrolet Tahoe LS 5.3L Accessories VIN: 1GNEK13T84 Hey guy see if you can help me I have a a rear rsa modual not powering up I have voltage good ground i go to my set data line light blue I have no square wave I have to get to spice pack 207 tomorrow and start testing from there my question is should the face ... |
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| 2004 Chevrolet Tahoe LS 5.3L Accessories VIN: 1GNEK13T84 Hey guy see if you can help me I have a a rear rsa modual not powering up I have voltage good ground i go to my set data line light blue I have no square wave I have to get to spice pack 207 tomorrow and start testing from there my question is should the face ... |
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| 2006 Chevrolet Avalanche 1500 LS 5.3L Hesitation VIN: 3GNEK12Z96 strange one for the chevy guys out there. This vehicle at times will not accelerate at all and the "traction active" message displays. this happens on dry road. if you just hold the gas pedal down and wait like 5-10 seconds it will all of a sudden normalize an... |
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| 2011 Chevrolet Silverado 1500 LT 5.3L Oil Pressure VIN: 3GCPKSE37B Thank you to everyone for your Help, Vehicle keeps setting Code P0521 for oil pressure performance, have checked pressure and replaced oil pressure switch, Code continues to come back while driving. Usually comes back about ten to fifteen minutes into drive cy... |
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| 2011 Chevrolet Cruze LT 1.4L Poor Idle Quality, MIL Lamp on VIN: 1G1PF5S94B This car came into our shop with poor idle quality and the mil lamp on. We replaced the MAP sensor and cleaned the mass air flow sensor. All the data looks good as far as I can tell except the intake manifold pressure PID. This is not the MAP pressure, that se... Trouble codes: P1101 (Intake air flow system), P0171 (Fuel trim lean), P0106 (Manifold absolute pressure problem) |
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| 2004 GMC Savana 3500 6.0L Misfire, MIL Lamp on VIN: 1GDJG311U6 Hello everyone. This vehicle is a school bus, if that makes a difference. It came in running rough with CEL flashing. First code was the crank sensor code. Sorry I forgot the number. When changing the crank sensor found that the center wire on the pigtail was ... |
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| 2009 GMC Canyon WT 2.9L MIL Lamp on, VIN: 1GTCS14929 truck turns on ABS lite sets c0240, ECM sets p0856, valid code but not for 09 truck. have replaced ABS module started there all modules show loss of comm with it. then replaced ECM no help. Truck will function normal with alt unplugged tested alt okay, put one... |
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| 2006 Saturn Ion Red Line 2.0L inner cv joint VIN: 1G8AY14P16 Thanks in advance to all who can help. I have strange one that is not making sense. The car came in on a hook with right side upper motor mount broken in half and the right side inner cv joint pulled apart. The axle was very recently replaced by someone else. ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
