Diagnosis & Repair

Check for poor connections, loose terminals, and open or shorted wires. Ensure EVAP canister purge valve or CVS valve is not sticky or blocked and that EVAP system lines are routed properly and not blocked or leaking. Ensure there are no EVAP system leaks. When DTC P0442 or P0455 repairs are completed, perform REPAIR CONFIRMATION DRIVE CYCLE "E" .