1994 Ford Ranger fouling same plugs

Tiny
CHUCK-3081
  • MEMBER
  • 1994 FORD RANGER
  • 2.3L
  • 4 CYL
  • RWD
  • MANUAL
  • 200,000 MILES
I keep fouling the spark plugs on no. 3 cyl. It's four cyl. With two plugs per Cyl. It fouls them bout once a month
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Sunday, July 12th, 2015 AT 12:15 PM

3 Replies

Tiny
MHPAUTOS
  • MEMBER
May be low spark voltage at that cylinder, you can get this checked with a live data rear of a quality scanner, do this first.
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Sunday, July 12th, 2015 AT 2:39 PM
Tiny
CHUCK-3081
  • MEMBER
Can you b little more specific? Not to sound rude I've just never heard of that. They have a white build up on them. All 8 plugs do but the number 3 is usually the worst.
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Sunday, July 12th, 2015 AT 2:44 PM
Tiny
MHPAUTOS
  • MEMBER
White deposits on the spark plugs will be ash from burning oil, short term fix is to use a hotter heat range spark plug, this will help burn the oil with less deposits or try iridium plugs, but this is only a stop gap, you need to identify the reason why the oil is getting into the cylinder.
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Monday, July 13th, 2015 AT 1:11 AM

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