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SportTrac Discussion
Engine & Drivetrain
Spark Plug
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<blockquote data-quote="scott degroot" data-source="post: 945757" data-attributes="member: 66039"><p>More than likely when you replaced the plugs you inadvertantly damaged one of the spark plug wires and it is this that is causing your hesitation(misfire) which in turn is hurting your mpg. I would bet that replacing the spark plug wires would solve your issues and FWIW you should be just fine with those plugs. I don't have specs in front of me but I think just about every Ford truck motor runs the spark plug gap at .052-.056 inches</p></blockquote><p></p>
[QUOTE="scott degroot, post: 945757, member: 66039"] More than likely when you replaced the plugs you inadvertantly damaged one of the spark plug wires and it is this that is causing your hesitation(misfire) which in turn is hurting your mpg. I would bet that replacing the spark plug wires would solve your issues and FWIW you should be just fine with those plugs. I don't have specs in front of me but I think just about every Ford truck motor runs the spark plug gap at .052-.056 inches [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Spark Plug
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