1988 Mercedes Benz 300e engine miss on idle and accelation

Tiny
MYBENZE
  • MEMBER
  • 1988 MERCEDES BENZ 300E
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 309,000 MILES
Engine starts with no problem.
Wednesday, April 22nd, 2009 AT 9:59 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1988 Mercedes Benz 300e engine miss on idle and accelation

Do you have a check engine light and when was the last tune -up?

Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Wednesday, April 22nd, 2009 AT 10:35 PM

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