Spark Plugs?
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From: Woodland Hills
Spark Plugs?
I have noticed a very slight pinging when under load with my 4.6 2004 and was thinking about switching to a colder plug any thoughts on this thanks in advance.
Thread Starter
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Registered User
Joined: Aug 2003
Posts: 277
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From: Woodland Hills
Originally Posted by FATHERFORD
What all is done to your truck? If its pinging and mostly stock, it isnt the spark plug causing it.