p0456 | Ford Thunderbird forum club group 1955-2005 models

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p0456

  1. K

    FYI 2002 Thunderbird - small vapor leak P0456 fix

    2002 Thunderbird, 40K mi - we got an intermittent P0456 code about a small vapor leak. Replacing the gas cap didn't help and a careful examination of the tank & vent line from the tank to the vapor purge value showed no problems. The fist-sized purge valve on this car looks nothing like that...
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