Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

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

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.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Didn't find what you were looking for?