Saturday, January 3, 2015

P0446, P0447, P0448 on your Jaguar X-type

P0446, P0447, P0448 on your Jaguar X-type means that the computer detects a blockage in the canister close valve circuit. This is most likely caused by a bad canister close valve (if you haven't changed it change it now). This can also be caused by overfilling the fuel tank. If you did, just clear the codes and see if it comes back. If neither works, disconnect the electrical connector to the canister close valve and make sure you get 12 volts with the key on. If not is time to start chasing an electrical fault, but most of the time is the canister close valve. When I replace the canister close valve I also like to replace the canister purge valve if it hasn't been before of course.

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