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Professional Automotive Repair Technical Discussions for January 22, 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 | |
| 2016 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GT12TE80G Vehicle was brought in March 2025 for crank no start. The CP4 had imploded like they do. I did a complete contamination kit and replaced the entire fuel system. EVERYTHING. Also converted it to a CP3 from Fleece. Truck was fine until it started to get c... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Chevrolet Silverado 1500 5.3L Poor Idle Quality, MIL Lamp on VIN: 2GCEC19T8Y Ok guys, tons of great tips and replies. I could not find any vacuum leaks at all. I finally removed the air intake snorkel and unplugged maf. I took a flat piece of cardboard and totally blocked intake off and it died. This verified for me engine was sealed a... Trouble codes: P0507 (High idle). |
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| 2014 Chevrolet Silverado 2500 HD LTZ 6.6L voltage guage / overcharging VIN: 1GC1KYE8XE i am still working on this so far have replaced all power and grounds cables and no change replaced alternators and batteries still no change the bcm is showing confused information voltage high resolution and battery voltage reading are not agreeing i am clos... |
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