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FORD 350 1997 MINIMUM MARCH

Manual-Mecanica
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13 years 8 months before #33401 by manual-mecanica

1997 Ford F-350 erratic idle. Posted by manual-mecanica

The problem is that when the truck warms up, after driving a considerable distance, it accelerates or decelerates on its own. I don't have much experience with this and would like to investigate what's causing it. I should also mention that I replaced the IAC valve and the problem persists, and the fuel pump pressure is excellent.

Thank you for your help.

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