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28 February, 17:51

A scan tool check of the canister purge valve control solenoid shows that it's always open. Which of the following could be the cause?

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  1. 28 February, 18:12
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    The correct answer to the following question will be "Defective ECM (Engine Control Module) ".

    Explanation:

    In the given question. the options are not given. So that the complete question will be:

    A. Vacuum source problem

    B. Vacuum passage restriction

    C. Broken purge valve vacuum diaphragm

    D. Defective ECM (Engine Control Module)

    Now,

    A faulty or defective ECM (Engine Control Module) will force the control valve capacitor to be somehow accessible.

    A is incorrect because although the valve isn't vacuum operated. B is incorrect because although the valve control is indeed not vacuum operated. C is incorrect since the diaphragm was never used in the solenoid valve command rinse.

    So that the above is the right answer.
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