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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Po449 error code both bent valve and purge valve replaced.

Customer Question

Po449 error code both bent valve and purge valve replaced. Worried about the fuel in canaster. I probably have over filled gas tank. Due have to replace or is there a fix?
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: Starts good gas millage good
JA: What is the model/year of your Chevy?
Customer: 2006 trailblazer 4.2 6
JA: Are you fixing your Trailblazer yourself? What have you tried so far?
Customer: Have done plugs and air filter and thermostat. 2 shops did the valve and purge
JA: Anything else you want the mechanic to know before I connect you?
Customer: M No thats it
Submitted: 3 months ago.
Category: Chevy
Expert:  AMEDEE replied 3 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  AMEDEE replied 3 months ago.

Are you looking for some possible causes?