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PO451 Fuel Tank Pressure sensor, What it look like and where is it located

(2009 Honda Civic)
in Helendale, CA on December 16, 2012
second time the check engine light came on, I got a fuel cap 2 months ago to check it??
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Popular Answer
on December 16, 2012
It's on the vapor canister , underneath the rear of the car.Check connections and wiring first.remove cobwebs from vent tube .
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