My '97 F250 HD revs hard at the start

Asked by Jul 06, 2017 at 06:42 AM about the 1997 Ford F-250 2 Dr XL 4WD Standard Cab LB HD

Question type: Maintenance & Repair

Whenever I start the truck, it will rev up without my
pushing on the throttle, it eventually stops but
mostly if I put it in gear right away or else itll rev up
as if I'm sitting there with my foot on the gas slowly
pushing it down more and more

2 Answers


when the engine warms up, turn it off, and turn on again, see if it wants to rev high again. It's common for the engine to run a little over idle to warm up and come down once its warm.

It only does it when I start it cold, I thought first it might've been grease or something hanging my throttle up till it got warmed and loosened up but it's clean and clear

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