Question about 1993 Ford Explorer Limited

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I cant remember what I had replaced about 5-6 months ago, seems like it was a sensor. My 1993 Ford Explorer is not running or idling at normal speed. When I pull up to stop it is like it stays engaged and wont idle down. Then when I 1st start it it wont stay running at all. If I have to be stopped at traffic lights for any amount of time I have to put it in neutral and keep the engine idled up high. Seems like it was the map sensor but then again its almost like it was oxygen sensor.

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  • karmeninttow Feb 23, 2009

    I either had the map sensor replaced or oxygen sensor, The Explorer run but gets awful gas mileage. The truck acts like you have to take it out of drive when you stop cause it keeps reving up and trying to stay accelerated. Then there are other times that it wont idle at complete stops.

  • gerry bissi May 11, 2010

    Theck the throttle position sensor.



    Try pumping the gas pedal several times with the engine off to see if the sweeper inside cleans up a little.

  • Zachary Kloefkorn May 11, 2010

    if you look on your intake manifold there is a sensor on there or near there that may be the problem as well...it will regulate the idle and make it die when it comes back down from acceleration.

  • Jason Guerrero May 11, 2010

    Other than the High Idle when cold and the low Idle when warm how does the explorer run?(example:loss of power, poor fuel mileage, etc.)

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Listen for a hissing noise(vacuum leak around the pcv elbows or upper intake gaskets) this will cause a high idle set off lean codes which will say bad o2 sensors alson check idle air control valve which is located by throtlle body this will stick causing the vehichle to not run at idle sometimes taking it off and cleaning the carbon buildup out will fix the problem use some break cleaner

Posted on Mar 11, 2009

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