eng. code po456

2007 TOYOTA TACOMA
37,000 MILES
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MAILIBU1955
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2007 Toyota Tacoma v/6 auto trans.Eng. trouble code Po456.Engine starts and runs perfect.37000 miles. Gas cap has been tested.
Aug 17, 2012 at 11:51 PM
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RASMATAZ
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Any of the following could also be the cause:

A small leak in any of the EVAP hoses or fuel tank hoses
A small leak in the purge valve or vent valve
The EVAP Canister may be leaking

Have the Evap system smoke tested-
Aug 18, 2012 at 1:55 AM
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MAILIBU1955
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Thanks, I'll check this out.Bob
Aug 18, 2012 at 7:02 PM
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