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Professional Automotive Repair Technical Discussions for July 11, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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(Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
Help Request | Answers | |
1995 GMC K1500 Suburban 5.7L no heat VIN: 1GDFK16K0S Truck had new motor done w/After market hi rise manifold. Runs good, will not heat up (160 deg) thus poor heat, I have been over everything, I cannot get this truck hot enough to provide adequate heat. I did some try-o agnostics. Bled all air, bled heater hose... |
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2008 GMC Sierra 1500 WT 5.3L MIL Lamp on VIN: 1GTEC19J68 This truck came in with a mild rough idle and a code P0420. We scanned the 02 sensors and although bank 1 o2 sensor had many oscillations compared to bank 2 but the amplitude was low. We ran injector cleaner in it which smoothed out the idle and it ran normall... Trouble codes: P0420 |
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Fixes & Summaries for GM
Fix/Summary | Answers | |
1995 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR52L9S We had found that we didn't go high enough on the wire loom behind the water pump. We replaced the wire loom all the way up to the ignition module. Thank you for all your help. Trouble codes: P0341. |
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2013 Chevrolet Impala LT 3.6L no crank VIN: 2G1WB5E33D Power wire to ECM X1 connector pin 72 broken. Repaired wire. Just can't see how 1 wire bundled in a harness with 50 wires can suddenly break in half. Trouble codes: U0100. |
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2007 GMC Sierra 2500 HD Classic SL 6.0L interrior illumination VIN: 1GTHK24U97 Thank you everyone for your help, sorry it took so long to get around it closing this. The vehicle had multiple poor ground connections on the chassis and battery. I was so fixated on the problem being inside the vehicle that i forgot to check my basics. |
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