Nissan Repair Questions? Ask a Mechanic for Answers ASAP
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Check the Canister Vent Control valve (CVC), it is most likely stuck closed. This condition could falsely set a code P0450, because the Engine Control Module (ECM) thinks that the pressure sensor has a problem because the voltage is incorrect at the pressure sensor during purge.If the Canister Vent Control valve (CVC) valve is stuck closed, the fuel tank will be hard to fill.