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sprinkles08, ASE Certified Technician
Category: Ford
Satisfied Customers: 22524
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Ford 1989 F250, when it is started the rpm will be about

Customer Question

Ford 1989 F250, when it is started the rpm will be about 2000 , restart a couple of times and rpm may drop to 1100 but will not stay there very long and will go back to 2000 rpm??
Submitted: 10 months ago.
Category: Ford
Expert:  david craig replied 10 months ago.

Hi Im a check engine light on by any chance?

Expert:  david craig replied 10 months ago.

hello ?? still need assistance??

Expert:  sprinkles08 replied 10 months ago.

Hello and welcome to Justanswer!

You could have a handful of things going on and it will take some testing to determine the cause. It could be an inaccurate throttle position sensor signal, the throttle may not be closing fully, you could have a vacuum leak.

Have you checked for fault codes?