Spark knock sound at full throttle?
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Joined: Oct 2013
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Spark knock sound at full throttle?
Since having my heater core replaced when going down the road if I give my truck full throttle it seems to be making a little of a spark knock sound almost like cheap gas I just filled up with 93 maybe it will help anyone had anything like this happen?
Senior Member
Joined: Aug 2013
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From: Gulfport MS