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If you own a Chevy HHR, you're probably familiar with the different codes and lights that pop up on your dashboard. Typically, these lights signal that it's time for regular maintenance. If you see code p0449, it means that there's a problem with the evap emission control system detected by the underhood bussed electrical center. This issue is likely caused by a faulty solenoid. If a replacement is necessary, you can anticipate spending around $68 to $125 for a new part.
Could you please provide me with the code to open the key reader?
This code signifies an issue with the solenoid of the evaporative canister.