Question about MTX Ford Explorer/Mercury Mountaineer/Mazda Navajo 1991-2001 Thunderform Loaded with 10 Inch Woofer and ... Car Speaker

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Racing idle in 1985 ford ranger 4cyl.2.3 l efi

MY RANGER'S IDLE DOUBLED WHILE DRIVING THE OTHER DAY. NOW,EVERY TIME I START THE ENGINE,IT'S RACING AND WON'T SLOW DOWN BUT WHILE THE TRUCK'S MOVING,IT DRIVES NORMAL 'TILL I STOP AGAIN.COULD IT BE THE IDLE SPEED SENSOR OR WHAT??? THANKS IN ADVANCE. HOW SAFE IS IT TO DRIVE THIS WAY,(TEMPORARILY),?

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  • Anonymous Apr 30, 2008

    My 90 Tempo 2.3 liter idles fast and the idle wanders. it slows down immediately when the bypass orifice ahead of the throttle valve is blocked.
    it also fouls easily when starting.

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I would reccomend checking the fuel pump for starters, it maybe getting "stuck."

Posted on Aug 01, 2009

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