» » »

Buick Q&A

Ask Your Question

2005 Buick Park Avenue Question: Check engine light comes on frequently with code PO455.



, Saint Paul, MN, April 13, 2012, 09:58

It's not the gas cap. Could changing the Canister Purge Valve solve the problem? I reset the code about 4 times per tankful of gas.

1 Answer
Flag This