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Dies when I let off gas pedal

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I have a 1990 TC with the 3.0 engine.  It runs fine but sometimes it dies when I let off of the accelerator.  It will start again without a problem but it is a bit dangerous to have the engine die.  I am also wanting to speed up the idle but I am not sure how to do it on this engine.  I do not see the typical idle screw.

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There is no idle adjustment screw on your 3.0 Mitsubishi engine. The idle speed is controlled by an electronic idle speed motor which is controlled by the engine controller. Maybe you should be checking for any fault codes in the system. Any Chrysler Dodge dealer can check for fault codes. in the past I have found a poor electrical connection at the idle speed motor in the throttle body. Bob Barrow

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