ml430 high idle

1999 MERCEDES BENZ ML430
192,000 MILES
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MICKEYME1029
  • MEMBER
  • 1 POST
drive a few miles, put in park, idle jumps to about 1800 RPM, takes a couple of minutes to return to normal idle speed.
Dec 21, 2011 at 10:55 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the idle speed controller
Dec 22, 2011 at 12:23 AM
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