Questions & Answers for: e320 rough idle

car idle with no power and rough idle 1998 e320 mercedes first check the mass air flow sensor,

...rough-rpm went lo after a few mins. returned to normal.. Replaced the ign wires and 3 ign coils. Had a check engine light for years and have had an idndication that the mass air flow sensor is the ...

...rough like it wants to stall.It does not stall though.We 1999 M-B E320 drives great for about 5 or 600 miles then as i'm driving the check engine light comes on and the car looses power and ...

Engine runs rough while idleing and accelerating My car is a 1997 model, but there wasn't a choice for that year. ignition coils

what causes rough idling in 2014 mercedes rough idling when starting psark plug or leaking injectorl

...E320 3.2CDI. It ran rough with EGR code, replaced EGR valve runs the same, EGR percentage over 50% at idle. Scan tools shows over 50% contribution at idle, never seen an EGR valve on any manufacturer ...