FixVault

DTC P0450 Or P0451: EVAP Pressure Sensor: Notes

DTC IDENTIFICATION

DTC Affected Circuit
P0450 EVAP Pressure Sensor Malfunction
P0451 EVAP Pressure Sensor Range/Performance Problem
CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.