Possible Cause
- EVAP Canister Purge Volume Control Solenoid Valve stuck closed
- EVAP control system pressure sensor and the circuit
- Loose, disconnected or improper connection of rubber tube
- Blocked rubber tube
- Cracked EVAP canister
- EVAP Canister Purge Volume Control Solenoid Valve circuit
- Accelerator pedal position sensor
- Blocked purge port
- EVAP canister vent control valve