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W204 C300 '13 misfire

Old Apr 14, 2023 | 11:31 PM
  #1  
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W204
W204 C300 '13 misfire

C300 misfire

Hey

Few weeks ago had issue to start my w204 C300 '13 3.5L just turned the car on started to work rough engine light was flashing, i off the car, turn on again no issues at all, i decided to scan the codes to find what was the issue since i don't want to leave the problem


I'm planning to replace spark plugs and use injectors cleaner and maybe also replace coil on cylinder 1, or should I start from fuel system ..



What's your guys opinion after looking the codes what might cause the issue

Thanks

The codes




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Old Apr 15, 2023 | 08:22 AM
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2016 E350 Sport; Mom Wrecked the 2008 E350; sold the 2002 C320
Sounds like your fuel pump may be starting to give out. Could also be the throttle body..

Best to have it diagnosed via Star before you start throwing money at it.
​​​​​​

Last edited by EuroDriverSD; Apr 15, 2023 at 08:24 AM.
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Old Apr 15, 2023 | 07:12 PM
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All these show as inactive. I would follow EuroDriverSD's advice. Clear the codes, drive until the check engine light comes back on, and read the new codes. This will help you isolate the problem rather than just loading the parts cannon.
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