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Professional Automotive Repair Technical Discussions for November 20, 2020 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2009 Buick Enclave CXL 3.6L Hesitation, Surge VIN: 5GAER23D49 Vehicle has misfire codes for all cylinders as well as P0300 and P0420. Tested fuel pressure and the lift pump pressure oscillates between 32 and 55 psi. The high pressure readings oscillate between 3 and 5 bar. Due to research that indicated that the high... |
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| 2002 Chevrolet Silverado 1500 5.3L abs VIN: 1GCEK14T22 hey guys, i have a low speed abs activation, under 5 miles a hour. i can see on my scanner that its coming from the rear wheel speed sensor. the wheel speed sensor reports to the PCM and then the PCM sends a pulsating voltage to the ABS module. the pulsati... |
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| 2007 Chevrolet Cobalt LS 2.2L Secoundary air pump VIN: 1G1AK55F67 Im getting a code of p0411.i removed exhaust manifold and cleaned passages.i never hear the pump go on put i can command the pump and solenoid on.the temps are correct. What else would keep pump from running Trouble codes: P0411 |
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| 2004 GMC Savana 1500 4.3L No Start VIN: 1GTEG15X24 This vehicle was towed to us as a no-start. Vehicle appears to have sat for an extended period (2yrs +). Vehicle cranks ok with battery supply. Relative compression testing indicates no immediate issues. Tested spark; using incandescent test light conne... |
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| 2008 GMC Sierra 2500 HD WT 6.6L MIL Lamp on VIN: 1GTHK23668 1st time vehicle came in it set a P0087 fuel pressure too low. desired fuel pressure 160mpa actual fuel pressure 80mpa. high pressure relief valve replaced at another shop. did injector fuel rate return rate test and found injectors 6 7 8 returning 1 ml ov... Trouble codes: P0087, P0088 |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
