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Engine lugging in Drive while stopped at lights, etc

Discussion in 'Stock 1995 - 2001 Explorers' started by alvawayne, February 9, 2018.

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    1. alvawayne

      alvawayne New Member

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      Year, Model & Trim Level:
      2000 Mercury Mountaineer
      Hi guys;

      2000 Mountaineer. 318,000 miles. Trans works good; upshifts/downshifts smooth, no slipping. Engine good. No smoking startup or after. Pulls good. Idles good. Some valve lash adjuster noise.

      Whenever I come to a full stop, either in OD or D, the engine goes to nice idle (600 rpm) and then, 2 to 4, maybe 5 to 6 seconds after that, the engine starts to sound like it's lugging. You know the sound. That dull, kind of soft groaning/roaring noise when the engine's lugging and you need to downshift.

      If I shift into N or P the lugging goes away. Shift back into D or OD and the lugging noise returns.

      What's happening? Is the clutch not fully disengaging and that's why I hear the engine lugging? Something else?

      Thanks for your answers.
       
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    3. Turdle

      Turdle I bake stuff Staff Member Moderator Elite Explorer

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