Question about 1998 Ford Explorer

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Hi I just rebuilt my 1998 4.6 engine ,started it up this morning,seems to be working fine except she pings a little on hills ,is there any way to adjust timing or reprograming computer or something.thanks kevin

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It sounds like a little bit of pre-detonantion,You can try running a higher octane fuel or a cooler spark plug.

Posted on May 14, 2009

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Pre-ignition


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