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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 10, 2023
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for European
Help Request Answers
2021 Mercedes-Benz GLB250 4Matic 2.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Hard Misfire cyl #3 VIN: W1N4N4HB2M
This 4 cylinder turbo got towed-in, it's starts and runs but has a constant hard misfire/MIL/engine shaking. It's worse at idle but continue to misfire at all engine speeds. Crankcase pressure measured at idle (-11 to -12" WC) (27-30 mbar) I suspected... 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)

Fixes & Summaries for European
Fix/Summary Answers
2018 Bentley Continental GT Speed 6.0L alarm VIN: SCBGY3ZA3J
I did not fix this car since the alarm never falsely triggered at the shop. A good suggestion was to get oem service info subscription and the owner would have paid for it if we could re-create the fault. I do not do many euro cars but there is no dealer to se...
1991 BMW M5 3.6L Wiring Diagram VIN: WBSHD9319M
Thank You to all who responded. I went to the BMW factory TIS website and called up the wiring diagram for that VIN. It matched Alldata and others that were available. The car has gone but will return I may have to pin it out and build my own diagram. The...
2013 Mercedes-Benz CLS550 4.7L Poor Idle Quality, Misfire
Thanks to all that responded. Swapped out injectors with known good ones and engine purrs like a kitten. Don't know why 3 injectors on one bank only went bad, but as Lou Costello would say at the end of Whos on first comedy act "I Don't Care" Trouble codes: P0301, P0302, P0304.
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