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1993 Ford Explorer Question: Check engine light comes on when driving over 50mph and over 2000rpms

 

Question

Big Pearl, Portland, OR, January 20, 2011, 23:47
 Rookie

My check engine light comes on when I reach 50mph on the freeway. If I slow down and let the rpms get below 2000, the light turns off. Around town it's fine, only happens on the freeway.

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  • Answer #1

    January 21, 2011, 11:33
    Profile_thumbnail
     Master

    Need to get the code that is being set by the check engine light, it will be there in the computer, even if the light is not currently illuminated.

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  • Answer #2

    Honest1autocare (see my shops), January 23, 2011, 20:57
     Journeyman

    Hey big Pearl bring it by my shop on 20th and se stark and ill get you the code for free.

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  • Answer #3

    July 09, 2013, 23:35
     Enthusiast

    Could be the o^2 sensor best fix for that is use a higher grade of fuel

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