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changing the idle speed on a ford probe

tomahawktomahawk Member Posts: 11,826
edited December 2003 in General Discussion
I have a Ford Probe that won't idle...does anyone know how to fix it? It runs fine otherwise, but when you stop the car at a stop sign, the RPM's drop and the car dies. Anyone have any clues?
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Comments

  • TexasVetTexasVet Member Posts: 2,847 ✭✭✭✭✭
    edited November -1
    I don't think there is an idle adjustment on it if it's fuel injected, sounds like it's starving for air. Remove the air cleaner and hose, which will expose the throttle body. Take some carb cleaner in a spray can and shoot it in the throttle body. Clean the crud off the butterfly with the cleaner, and squirt cleaner in any holes that are in the throttle body. That should improve your minimum airflow and stop it from dying at stops. If not, could have a fuel pressure problem --- either the filter or fuel pump.

    Just my 2 cents worth -- good luck!
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  • tomahawktomahawk Member Posts: 11,826
    edited November -1
    thanks, i'll definitely try that... anyone else got any other suggestions?? they're greatly appreciated!
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  • charlie15charlie15 Member Posts: 937 ✭✭✭✭
    edited November -1
    Spark Plug's fouled!![8)][8)][8)]

    "Well i'll be a suck egg mule"...Arthur Hunnicutt.
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  • FrancFFrancF Member Posts: 35,279 ✭✭✭
    edited November -1
    Glad my wife does not drive a Probe, I'd hate to get between them![:)][}:)][;)]

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  • old06old06 Member Posts: 577 ✭✭✭✭
    edited November -1
    In a word vaccum leak get a can of throttle body cleaner and spray all of the vaccum lines the fords use injector's and a air Plenumbem set up the hoses get brittle and break

    psalms 16
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  • Red223Red223 Member Posts: 7,946
    edited November -1
    It's your IAC.

    Idle air is routed into the throttle body under your butterflies, when the iac gets carboned up or quits she's dead.

    fuel injected throttlebody butterflies are always closed at idle where as ole holley carburetors used to keep 'em open a pinch to idle.

    It's usually simple to find, it's not the sensor hooked to your throttle (tps) its one of the other ones with wires going to it.

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  • EVILDR235EVILDR235 Member Posts: 4,398 ✭✭
    edited November -1
    On top of the throttle valve there is a metal cylinder laying on it's side.It is the idle speed solinoid.It is bolted on with two bolts that have a 10 MM head on them and a place on the end to plug in a wire.We sell alot of them at the wrecking yard.They are used on alot of different Ford engines.That would be my guess that is your problem.
    EvilDr235

    Two types of people drive old cars.Rich people because they want to and poor people because they have to.
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  • dcon12dcon12 Member Posts: 32,044 ✭✭✭✭
    edited November -1
    All you have to do is remove the idle speed solinoid and clead it with carb cleaner real god. Fords havehis problem and will run better after being cleaned.

    "Right is Right, even is everyone is against it, and wrong is wrong, even if everyone is for it"
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  • kingjoeykingjoey Member Posts: 8,636
    edited November -1
    Gonna go with the IAC on this one. The IAC used on some of the 2.2L are difficult to clean well without causing possible damage to the IAC. Buy a new IAC (around $75 if I remember correctly, make sure you bring the old one or get the part/calibration number before ordering) and install it. Unplug the battery for 30 seconds and reconnect. Run the vehicle and get it up to 50+mph which will cause the IAC to reset. The car may run funny for a day or two while it "relearns" all the settings and delivery/advance curves.

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    SUPPORT THE I.N.S. , THE COUNTRY THEY SAVE COULD BE YOUR OWN
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  • tomahawktomahawk Member Posts: 11,826
    edited November -1
    I have a Chilton book, but it's for a Mazda MX6 (the probe's sister car)/Ford Probe...In the book, it says nothing about an IAC...the only mention I see in there is in reference to testing the ISC...it says "to test the ISC, disconnect the IAC valve electrical plug. Is this plug plugged into the IAC? Is the IAC the same thing as the ISC?
    Thanks for the help.
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  • kingjoeykingjoey Member Posts: 8,636
    edited November -1
    The IAC on the Probe should have a mounting flange and a cylindrical *'y running parallel to the flange. It is on the back side (between the engine and the firewall) of the throttle body towards the top if I remember correctly. There is an adjustment screw for the idle speed but it is usually sealed from the factory. If the IAC is working properly the computer will automatically adjust the idle as needed.

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    SUPPORT THE I.N.S. , THE COUNTRY THEY SAVE COULD BE YOUR OWN
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