fast idle when engine is warm on 1990 Ford Bronco

When I start the engine first thing it idles at the proper rpm, but as it warms up the engine goes up about 400 rpm and never comes down till it cools off.

by in Portland, OR on January 22, 2012
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
0 answers