Rough idle cold on 1992 Ford Ranger

140000 miles New plugs and wires front coil pack fuel filter replaced 6 mo ago no light on mileage ok after it runs about 500 feet clears up rung good rest of day

by in McAllen, TX on June 30, 2011
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1 answer
ANSWER by , June 30, 2011
check your iac sensor. or (idle air control sensor)