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    Re: 1991 with odd idle issue

    The transmission controls are separate from the speedo controls.
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    Re: 1991 with odd idle issue

    I am thinking that this sensor is sending the wrong signals to the ECM and telling it that the tranny output shaft is spinning faster than it is. At faster speeds, when you let off the gas it does...
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    Re: 1991 with odd idle issue

    There is one other thing. Was the transmission output speed sensor replaced?
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