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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 15, 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
2013 Mercedes-Benz ML350 3.5L Misfire, MIL Lamp on VIN: 4JGDA5HB3D
Engine misfire on cylinder#4 seen on misfire counter at hot idle after snapping throttle. Severe misfire cylinder #4 occurs on hot re-start after sitting a few minutes. Misfire goes away by increasing RPM to 1000 or higher. Does anyone have experience with... Trouble codes: P0300 (85), P0304 (85)
2018 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: 3VV2B7AX7J
We are working on a 2018 VW Tiguan with a 2.0 liter turbo. This is the first time we have serviced this vehicle, so we don't have any history on it. It came in with a P0491 code that we diagnosed as having a sticking check valve, which was very carboned up... Trouble codes: P0491 (secondary air insufficient flow)

Fixes & Summaries for European
Fix/Summary Answers
2012 BMW 328i 2.0L Poor Idle Quality, MIL Lamp on VIN: WBA3A5G57C
Car has been sit in the shop for 2 days & problem happen again after cold start. We heard a whistling noise from engine as well this time, open up the oil cap, noise quiet down. Problem again only last for 30 seconds this time. We bet on a internal leak from t... Trouble codes: 11302, 21840, 11800, 11800, 11930.
2006 Mercedes-Benz ML500 5.0L Mirrors VIN: 4JGBB75E56
Thank you to all that replied. You all were right, the issue was in the mirrors themselves. With the exception that they were unplugged behind the mirrors. I was not able to see the connector till I pulled off one of the mirrors. Why were they both disconnect...
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