• Tiny
  • tinktye
  • 1999 Ford Ranger
  • 2,000 miles

I just put a reman engine in this vehicle, v6, 3.0 flex fuel. I feel the rpms in park are too high. They are currently around 950 to 1000 with engine warm, 1500 with cold engine. I know the computer will set the rpm, but could the issue be the throttle position sensor? I have put over 2000 miles on this engine, new trans October 2012. Thanks

Do you
have the same problem?
Tuesday, May 14th, 2013 AT 11:30 AM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,442 posts

It could be a few things but you will need a professional scan tool to be able to see all that data and make a judgement.

Check it over good for vacuum leaks before anything else.

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Tuesday, May 14th, 2013 AT 11:55 AM

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