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Professional Automotive Repair Technical Discussions for July 2, 2026 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 | |
| 2003 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNEK13Z93 Truck has Code P0178 fuel composition sensor out of range. Scanner shows it at 43hertz and 38 % alcohol which seems to be a default number. Has 12 volt power and ground at sensor(load tested with a 1156 bulb). Pin dragged all pins at sensor and PCM, all go... Trouble codes: P0178 (Fuel composition sensor) |
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| 2011 Chevrolet Silverado 2500 HD LT 6.0L Brake Line VIN: 1GC1KXCG9B Truck's owner drove with rear pads metal-to-metal until left rear piston popped out, dumping brake fluid onto tire and road. Then he had almost no brake pedal. He limped it to me. I replaced rear rotors, pads and calipers. Was able to bleed three calipers ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
