95 Chevy Blazer

Tiny
TIM51
  • MEMBER
  • 1995 CHEVROLET BLAZER
Spark plugs are black keep filing out whats the cause?
Saturday, November 17th, 2007 AT 2:29 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Fuel mixture is too rich, try adjusting or replace 02 sensors.
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Saturday, November 17th, 2007 AT 3:48 PM

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