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'94 ranger rough idle


tom.mitchell88

tom.mitchell88

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Truck shakes and sputters when shifting down into first or when at idle. Once it even stalled out at cold start. I changed all 8 spark plugs and added STP fuel additive,because it sat for a while, and it stopped for a week but has now has started.

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Andy D

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Marshfield MA
Vehicle Year
94
Make / Model
The Rat
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4.0 OHV
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Manual
My credo
to prevent Found On the Road Dead, Fix Or Repair Daily
Well , you ran through that tank of gas. When was this last tuneup and filter change ,etc?
 
FritzTKatt

FritzTKatt

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04
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Ford
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Automatic
Switch the coil packs around, if it runs better or worse then that's at least part of your problem. Replace as necessary.
 

snake

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canyon lake tx
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2011
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Ford
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3.5
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Automatic
IAC would be the first suspect, vacuum leak and/or fuel filter.
 
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