DTC Troubleshooting: P1454, P2422 (3.5L Engine): Notes

DTC P1454  : Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem DTC P2422  : Evaporative Emission (EVAP) Canister Vent Shut Valve Stuck Closed Malfunction

How to use this service information .

NOTICE: 

Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (3.5L Engine) or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine) .