Running rough

Asked by Aug 23, 2017 at 05:40 PM about the 1998 Mercedes-Benz M-Class ML 320

Question type: General

Car is running rough when i push the gas pedal. It
starts fine and runs great. When i try to drive it just
dies. The strange is, when i try some time later it's
fine.  It comes back some days later.  I have change
all the ignition coils, all spark plugs and
connections. No bad codes found...

2 Answers


Check the fuel pressure from the fuel pump.

2 of 2 people found this helpful.

Thanx for your answer, I was thinking about the fuel pump and also clogged EGR valve tube. I have changed the valve.. but I scanned my car again this morning with following codes found...P0442 p0460 p0432

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