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.
fast idle when engine is warm on 1990 Ford Bronco
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1990 Ford Bronco Estimates
- Catalytic Converter Replacement ($764 - 1,033) in Caro, MI
- Automatic Transmission Diagnosis ($88 - 111) in Tallulah Falls, GA
- Brake Pad Replacement, Resurface Rotors ($291 - 400) in Toulon, IL
- Coolant Replacement/Flush ($95 - 125) in Russellville, IN
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- Noise Diagnosis ($61 - 78) in Alum Bridge, WV