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Professional Automotive Repair Technical Discussions for February 17, 2023 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 | |
| 2017 Chevrolet Tahoe PPV 5.3L MIL Lamp on VIN: 1GNLCDEC6H Had these codes for 172 & 165, replaced hp fuel pump,& changed oil & filter.Pattern failure for this vehicle indicates that the hpfp will leak fuel into the crankcase and drive the fuel trims very lean -high negative fuel trim readings. We replaced the pum... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2019 Cadillac XT4 Premium Luxury 2.0L Misfire VIN: 1GYFZCR41K Thank you to all that replied. Idid not put in my testing I did do an injector balance test. it was good 30 25 25 25. I came in early today thinking over what I had checked. I ran a second leak doe]wn test and found the gauges still showing good. How ever in t... Trouble codes: P0300 (Random misfire), P0106 (MAP performance), P1101 (Air tow performance). |
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