Question about 1998 Ford F150 Regular Cab

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Engine bogs over 55

I have a ford bronco 2 with a 2.9 177 in it. The engine runs strong as long as you are not at highway speeds. If you get up to sixty miles per hour and try to hold it there longer than three minutes or so there is a significant loss of horsepower, oil pressure, and voltage and the engine begins running very rough. If you shut the truck down for a few minutes and then restart it's back to normal. Also I am in search of a cam and rocker arm kit for the same engine but cannot seem to find one.

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If it runs good during all other conditions , or most, have it checked for plugged exhaust. (catalytic converter.)

Posted on Apr 19, 2009


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