ROUGH IDLE 1999 MERC VILLAGER

  • Tiny
  • fool4no1
  • 1999 Mercury Villager
  • 6 CYL
  • AWD
  • automatic
  • 128,000 miles

Mercury Villager has 128000 miles. I have had distributor replaced, spark plugs replaced (expensive ones), throttle body cleaned, vacum leak sealed (reconnected), air filter replaced. When I am at a stop and engine is running, it has a rough idle, almost like a "shudder". It does not act like it is going to die or cut-off. When I put the gear in park it does not do this. Shifts gears fine (transmission is smooth), very good gas mileage. Only the slightest of hesitation when pressing on the gas from a stopped position.

Tuesday, August 23rd, 2011 AT 4:01 PM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Start with a compression test. You have done the plugs, what about the wires. Make sure there is no other vacuum leaks. Beyond that, you may need help from a shop to track it down.

Roy

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Tuesday, August 23rd, 2011 AT 4:08 PM

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