2001 ml 320 engine idle hesitates when first started
#1
09-25-2007, 06:49 AM
2001 ml 320 engine idle hesitates when first started
i have 01 ml 320 i have the engine light for P0170 and P0173 i changed the mas air flow already . somone told me to change the o2 sensors? The funny things is when i start my car sometimes the engine light goes of and the engine idle starts to hesitate while on idle! what could be the problem it happens once in while
#2
09-25-2007, 06:19 PM
RE: 2001 ml 320 engine idle hesitates when first started
could possibly be a stuck or stiff EGR valve. common on the 320's
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