My Bronco is reving up and down while in park. It doesn't do it when it is cold, only after my vehicle has been wormed up and driven. Any thou\ghts?

Sharron Cornutt

Asked by Oct 23, 2015 at 06:41 PM about the 1993 Ford Bronco XLT 4WD

Question type: Maintenance & Repair

1 Answer


Check Map Sensor, and or vacuum lines. Must be leak somewhere.

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