Question about 1991 Ford Explorer

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1991 ford explorer

Engine runs rough in between shifting gears. Runs fine when going at a steady speed.

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  • Anonymous Mar 31, 2014

    runs like ****

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  • Master
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This is the PCS (pressure control solenoid) in the transmission. A very common problem with those, be sure to get the newest version GM part when replaced (last time I got one they were on the 3rd version). If not replaced this will ruin your transmission rather quick. Usually around 50 for the part, but labor can be much higher since it is located under the side cover. Hard shifts when warm is the dead givaway, but I would have the trans scanned to confirm. It is such a common issue there should have been a recall, IMHO. Once you get the side cover off it is an easy repair, since you don't have to remove the valve body and the side cover gasket is re-usable. You may have to drop the subframe and lower the engine/tranny assembly to get the cover off, tho. Good trannys otherwise, best of luck...

Posted on Jun 26, 2008

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