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Mike_Schriber's avatar
Mike_Schriber
Explorer
Aug 03, 2015

Unusual pinging issue (2005 Ford three valve V10)

I've been having a persistent and unusual pinging issue that just got worse on a recent trip. Typically, it would ping totally at random at or near full throttle, usually when going up a big hill. ...
cpaulsen's avatar
cpaulsen
Explorer
Aug 03, 2015
Well....changing pugs is about a 2 hour job and have done it many times. I started running 89 fuel to stop my pinging once in a while. When I got my SCT tuner...89 is all I run when towing.

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