RANGER 4.0 KEEPS DESTROYING 2 PLUGS MOTOR OVERHEATS

  • Tiny
  • pfarley10
  • 1994 Ford Ranger
  • 94,000 miles

Blows spark plugs (2) 1 then the other and overheats after driving short distance. Replacing the spark plugs and the vehicle runs great.

Friday, March 9th, 2012 AT 5:44 PM

3 Answers

  • Tiny
  • Wrenchtech
  • Expert
  • 19,802 posts

What does "blow spark plugs" mean? What is happening to them?

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Friday, March 9th, 2012 AT 5:52 PM
  • Tiny
  • pfarley10
  • Member

Porcelain blows out and it overheats. Middle plug on drivers side. Rear right plug (passenger side)

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Friday, March 9th, 2012 AT 6:57 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,802 posts

You're saying the porcelain breaks right off the plug?

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Friday, March 9th, 2012 AT 8:11 PM

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