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- - 2005 ML 350 rough idle (https://mercedesforum.com/forum/mercedes-m-class-16/2005-ml-350-rough-idle-42675/)

golfslut

May 20, 2010 07:46 PM

2005 ML 350 rough idle

I have a 2005 ML350 and just yesterday it started to idle rough and the check engine light came on!! I turned the car off and restarted it again in about 5 min. and it ran fine. This morning it did it again!! Is there a way to check the codes on this car without bringing it into Mercedes??

golfslut

May 22, 2010 02:11 AM

OK, I got the codes, P0304 (Cylinder 4 misfire Detected) and P0354 (Ignition coil D primary/secondary circuit) Now what, anyone know or recognize this situation??

grigorean

May 23, 2010 06:09 PM

Seeing those codes , i think the problem comes from spark numeber 4 , or/and the coil.

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