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Professional Automotive Repair Technical Discussions for July 24, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for European
| Help Request | Answers |
Fixes & Summaries for European
| Fix/Summary | Answers | |
| 2011 Mercedes-Benz E550 5.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WDDKK7CF6B After everything I did, I decided to try replace the ignition coils. I did not do this before because only two random cylinders would misfire. I had swapped the coils before and the two random misfiring cylinders did not follow the swapped coils. However this ... Trouble codes: P0629 (Combustion misfiring has been detected.), P2393 (The ignition angle setting has a malfunction when cold starting). |
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