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Professional Automotive Repair Technical Discussions for May 22, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Chevrolet Silverado 2500 HD 6.6L Fuel VIN: 1GCHK29173 Afternoon all, here is my tale of woe.. Customer brought this clapped out 260k 2003 LB7 in for an exhaust leak under the hood. Turns out not an exhaust leak but compression/fuel leak. Found passenger forward cylinder injector copper crush seal had failed... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1985 Chevrolet Camaro Sport 5.0L Voltmeter VIN: 1G1FP87F2F Started up this morning and the gauge read properly, turned on as many accessories as possible, the gauge would drop below 13 volts for a short period, at idle, then go back to 13 volts. Customer was happy that the charging system was working properly even if ... |
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| 1998 Chevrolet Corvette 5.7L No Start, Broken gears in T/B Thanks to everyone that offered help. A lot of good info. The one that turned on the light bulb though was the reply from Steve [...]. It was indeed the wiring from the TAC module to the T/B motor was reversed causing it to slam the throttle plate to WFO when ... Trouble codes: P1120 (TP sensor 1 circuit), P1220 (TP sensor 2 circuit), P1516 (Commanded vs actual TP Performance). |
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