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Professional Automotive Repair Technical Discussions for January 20, 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 | |
| 2000 Chevrolet Silverado 1500 5.3L Poor Idle Quality, MIL Lamp on VIN: 2GCEC19T8Y I have smoke tested this engine and cleaned throttle body. I can remove intake and feel the iac is shutting but idle still high. The ecm starts at 180 for counts then goes to zero. I have new egr and intake gaskets. The purge and egr are good. I observed t... Trouble codes: P0507 (High idle) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
