Check engine light comes on frequently with code PO455.

What is your question?

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.

RTFM in St. Paul MN

Apr 13, 2012

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What are the best Buick repair shops?

RepairPal Certified shops can diagnose and repair your 2005 Buick Park Avenue. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Check engine light comes on frequently with code PO455.

What is your question?

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.

RTFM in St. Paul MN

Apr 13, 2012

1 Reply

Popular Answer

globalhelperon Apr 13, 2012

these can be very involved and exp to guess, i rec you have it ck'd by a good mech and save time and $

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Popular Answer

What are the best Buick repair shops?

RepairPal Certified shops can diagnose and repair your 2005 Buick Park Avenue. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.