CL55 AMG, CL65 AMG, CL63 AMG (C215, C216) 2000 - 2014 (Two Generations)

2008 cl550 persistent misfire on cylinder 8 at low rpm

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Old 11-22-2023, 12:19 PM
  #76  
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2013 CL 63, 2002 E 55, 04 Jaguar XJ8, 66 Jaguar XKE
Yeah, I remember now. I know mine can run rough for a bit then smooth right out. Never timed it though. Just put motor mounts in and made a huge difference after the first start-up. They were shot after 50k miles. I will try to remember to put a timer on it next cold start.
You might try posting on the W212 section. There is a lot more traffic there and they deal with the M157 issues. Might be some insight to find there.
Good luck, I empathize with your predicament.
Old 12-04-2023, 11:31 PM
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2008 cl550
Injector wasnt sealed and gasket out of place.

Reseated the injector and all seems good again.
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