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Professional Automotive Repair Technical Discussions for August 11, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Chevrolet Astro 4.3L No Spark VIN: 1GCDM19W0W Thank you everyone for the great suggestions. Jay [...] especially. We ended up finding multiple pinched/broken wires including pcm to ign. Fixed wiring and had to swap the old coil back in as the new one was DOA. Just some extra information, we test... |
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| 2002 Chevrolet Silverado 1500 5.3L No Start, Stall VIN: 1GCEC14T02 OK. Since I wouldn't want to ABUSE this system by telling the truth about this vehicle I will tell you that the customer took the vehicle before I could diagnosis it any farther. I pulled on all the grounds at the back of the heads. The crank sensor had alread... Trouble codes: P0706 (Trans. Range Sw. Performance), U1041 (Loss of EBCM Comm.). |
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| 2007 Chevrolet Suburban 1500 Z71 5.3L Steering Angle Sensor VIN: 3GNFK163X7 I want to thank everyone that responded. I appreciate that you took the time to help me with no immediate benefit to yourselves. I was at my wits end with this one. I felt that it must have had to do with our replacing the rack and pinion but couldn't figure o... |
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| 2007 Chevrolet HHR LT 2.4L Reduced power VIN: 3GNDA23P97 Found when probing the wires at the pcm engine would not go into reduced power mode. took apart pcm connector and crimped down slightly on tps wires making the connection tighter. After this the vehicle would not go into reduced power mode and has been gone a ... Trouble codes: P2138 (Accelerator pedal APP sensor 1-2 correlation), P0106 (Map sensor performance), P0107 (Map sensor circuit low voltage), U0073 (Control module com bus off). |
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