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1997 Ford Taurus

Question: 1997 ford taurasGL code # P0446

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justimp1, 3.0L V6, Anacortes, WA, August 22, 2011, 10:10
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 Rookie

poor mileage

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, August 22, 2011, 23:37
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     Master

    Check this link http://www.obd-codes.com/p0446 but an evap related trouble code may not be the total cause of poor gas mileage. Sure the fault code needs to be fixed to keep your car "smog compliant" but other tests may be needed to verify or fix the cause or poor miles per gallon.

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  • Answer #2

    chinasinoy August 23, 2011, 04:44
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     Journeyman

    P0446 Evaporative Emmission Control System Vent Control Circuit
    With a P0446 OBD-II trouble code, here are some things to try:

    Replace Vent valve
    Repair open, short, or resistance problem in control circuit
    Repair open, or short, or resistance problem in power circuit
    Replace PCM

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