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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. ...
westend's avatar
westend
Explorer
Aug 02, 2015
Pulling plugs on this engine isn't trivial. I'd opt for the Premium and carry some octane booster. It may be that the elevation, demands on engine, and the fuel delivery controller all conspired to get some ping in the engine.

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