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1995 Ford Probe

 

Question: Engine idle rpms goes up and down

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mouse721, 4 Cylinder, Euclid, OH, April 14, 2009, 07:02
 Rookie

Engine rpm's goes up and down ,and the overdrive lamp flashes prereodicly. car won't continue to drive when this happens then rpm's goes down car goes agan.

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  • Medium-star Best Answer
    probe22 May 05, 2009, 11:03
     Enthusiast

    sounds like your idle air control valve is bad,

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  • Answer #2

    ProbeSeattle July 12, 2012, 02:18
     Rookie

    same problem. Make real sure your radiator fluid is totally full. I found that the intake manifold gasget had got so hot it curled up at the top corner tip. allowing air to get in unregulated. also check to see if your air intake tubing has NO leaks or cracks between your mass airflow unit and throttle body.

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