Fouled Spark Plugs

Tiny
MRSVICTOR
  • MEMBER
  • BUICK CENTURY
I have a 1990 Buick Century V.6 3.3L - that keeps fouling the spark plugs - they are too rich - someone said I need a new air mass flow sensor - but these are very expensive - could it possibly be something else?
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Sunday, February 11th, 2007 AT 11:43 AM

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Tiny
MDPATS
  • MEMBER
Take a paper clip and plug it into the A and B terminals where a regular scan tool would go. Then turn on the ignition with the engine off and the Check engine light will flash a number sequence for you to tell you if anything is wrong.
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Saturday, February 17th, 2007 AT 2:08 PM

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