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1999 Mercury Villager Incorrectly installed spark plugs

Tiny
TRACY6987
  • MEMBER
  • 1999 MERCURY VILLAGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 207,000 MILES
I just changed out my spark plug on my 1999 Mercury Villager. Now when I am at a stop I am noticing a "pulsating" or "lunging" feeling/sound. (Missfire?/)

I feel like I got the plugs in correctly. Could this be a coincidence or does if definitely sound like something I caused? Damaged plug or wire?
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Wednesday, December 17th, 2008 AT 9:03 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

If you have a faulty plug or lead you will get a distinct miss fir on acceleration as the load come on the engine this will cause the plug to miss fire, if this is not the case, check for a vacuum leak or a fuel related problem, start here.

Mark (mhpautos)
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Wednesday, December 17th, 2008 AT 10:39 PM

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