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rough idle at startup


bnichols04

New Member
Joined
Sep 6, 2007
Messages
52
Reaction score
0
Points
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Age
37
Vehicle Year
1994
Make / Model
ford
Transmission
Automatic
i have a 94 ranger and when i start it up the idle seems to want to die i guess you would call it surging? It jumps from about 250-500 rpm i don't know how else to describe it. And when it warms up it just shutters kinda vibrates the whole truck. Could this be a sensor problem? I did a tune up (new plugs & wires & air filter) and still did it. Any ideas? thanks
 

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