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by bmrockhill on July 29th, 2006

bmrockhill

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My 1995 Ford Explorer is idling rough. It just turned 100,000 miles and I changed the air filter, fuel filter, spark plugs and wires, PCV valve, and tensioner pulley. What next?

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Answers. 5 helpful answers below.

  • by dyurkosr on July 29th, 2006

    dyurkosr

    TPS throttle position sensor and EGR valve will usually set a check engine light on failure, NOT always. If it is a 4.0 SOHC (single overhead cam) engine, it has a plastic/rubber vaccume line that runs under the intake manifold on the drivers side of the engine. The rubber end of this unit usually becomes weak and sucks itself closed blocking vaccume and will cause a poore idle. This truck also has and IAC (idle air control) valve on the backside of the engine that will cause poor or no idle when it become blocked or fails. IAC is the most common cause of poor idle with Fords. Good luck!

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  • by woodster66 on August 10th, 2008

    woodster66

    Change the lower fuel inlet manifold gaskets or 'O' rings, these usually cause this problem by sucking in air at the inlet manifold!

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  • by 68 Charger on June 24th, 2008

    68 Charger

    Vacuum leak!!!

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  • by HONDASTANG on October 22nd, 2007

    HONDASTANG

    TRY THE TPS SENSOR SOME OF THEM YOU CAN ADJUST

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  • by Darryl61 on July 29th, 2006

    Darryl61

    Is it only running rough at idle? If so, the first two things I would check are the throttle position sensor, and the egr valve. At that mileage, there could be quite a few other things as well, but this is where I would start.

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