DTC P0442: EVAP System Malfunction, Leak Detected: Condition

DTC is set when PCM detects excessive difference in fuel tank pressures measured immediately after purge control is stopped with Canister Drain Cut Valve (CDCV) closed and preset period of time has elapsed. Possible causes are:

• Purge solenoid malfunction.
• CDCV malfunction.
• Vent cut valve malfunction.
• Loose fuel filler cap.
• Charcoal canister malfunction.
• Catch tank malfunction.
• Rollover valve malfunction.
• Cracked fuel tank.
• Clogs or leakage in system hoses.
• Fuel level sensor malfunction.
• Fuel tank pressure sensor malfunction.
• ECT sensor malfunction.
• IAT sensor malfunction.
• TP sensor malfunction.
• MAF sensor malfunction.
• VSS malfunction.