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Professional Automotive Repair Technical Discussions for May 16, 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 European
| Help Request | Answers | |
| 2009 Audi A4 Quattro 2.0L Fuel Trims VIN: WAUSF78K29 After replacement of the rear main seal the engine runs much better. The fuel trim settled around 24 percent positive long term. Short term near 0. Check engine light has not come back on but the alternator is bad so hard to do a long test drive. I had it ... |
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| 2003 Volvo C70 2.3L radiator fan VIN: YV1NC62D23 customer complains battery keeps dying and fan keeps running. after new relay and a temp sensor connector repair fans turn off after random time intervals. mass air sensor code present |
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Fixes & Summaries for European
| Fix/Summary | Answers | |
| 2021 Mercedes-Benz GLB250 4Matic 2.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Hard Misfire cyl #3 VIN: W1N4N4HB2M Joseph [...] indicated that there is a specific TSB for this condition. The bulletin say to perform a leak down test which I didn't initially do as that cylinder passed my compression test. So the lesson leared this time is: A compression test i... Trouble codes: 00303, 85 (Misfire detected cyl 3), P219E, 77 (Irregular mixture formation cyl 3. The commanded position cant be reached), P050A, 94 (Idle speed control malfunction during cold start. There is an unecpected instruction). |
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