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Code PO456 2001 GC


Champagne
05-03-2005, 11:13 AM
Can someone please tell me what the code PO456 is & how to fix it?
Thanks, Steve.

Bob D.
05-03-2005, 10:57 PM
PO456: Evaporative Emission Control System Leak Detected (very small leak)

Test and or check your gas cap. It may have a small leak.

Champagne
05-04-2005, 11:25 AM
Thanks for the help!

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