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Mike_Schriber's avatar
Mike_Schriber
Explorer
Aug 02, 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. ...
Lynnmor's avatar
Lynnmor
Explorer II
Aug 02, 2015
Use a higher octane fuel if you are not at the highest now.

Is the engine running hotter than normal?

Maybe the knock sensor has failed, read up on that subject. I have never tested or replaced that item.

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