Spark Knock/Pinging | Ford Explorer Forums - Serious Explorations

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Spark Knock/Pinging

Servicesells

New Member
Joined
February 20, 2015
Messages
3
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0
City, State
Tampa FL
Year, Model & Trim Level
2007 Explorer Sport Trac
I am experiencing Spark Knock/Pinging on my 2007 Sport Trac 4.0L V6.
It seems to only occur when the engine is hot (normal temperature) and under heavy load. When the engine is cold and just rolling away from a stop light there is no knock or pinging ?

Any ideas or suggestion to find the problem, would be appreciated.
 






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