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.

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

3 Replies

Tiny
WRENCHTECH
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  • 20,566 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
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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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