2002 Mercedes Benz SLK230 vibration in car when stopped

Tiny
JAMAXWIN
  • MEMBER
  • 2002 MERCEDES BENZ SLK230
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 115,000 MILES
My car runs fine, but vibrates loudly when I stop at a light. It only vibrates in drive, not reverse, but it does it every time I stop. I replaced 2 of 3 engine mounts (didn't replace the right one), but the vibration continues. Please help.
Monday, January 4th, 2010 AT 8:21 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Tuesday, January 5th, 2010 AT 1:10 AM

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