As the owner of a Chevy HHR, You may well know that You will see a wide variety of codes and lights appearing on Your dashboard over Your years of ownership. Most of the time, these lights simply indicate it is time for routine maintenance on Your vehicle. In the case of code p0449, it indicates that the underhood bussed electrical center has detected a malfunction from the evap emission control. Most likely, this is due to a bad solenoid. If it needs to be replaced, You can expect to pay between $68 and $125 for a new one.
This code indicates a problem with the evap canister solenoid.
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