EVAP Control System Monitor

OBD SYSTEM DESCRIPTION - EVAP CONTROL SYSTEM MONITOR

System Description / Monitoring Procedure
Refer to EVAP Leak Check System Description (If Equipped)

DTC Description / Detecting Condition / Confirmation Procedure

P0441
Refer to DTC P0441: Evaporative Emission System Incorrect Purge Flow. P0441

P0456
Refer to DTC P0456: Evaporative Emission System Leak Detected (Very Small Leak). P0456

P1420, P1421
Refer to DTC P1420 / P1421: Evaporative Emission System Vent Valve Stuck Open/Closed. P1420

P1422
Refer to DTC P1422: Evaporative Emission System Leak Detect Pump Stuck OFF. P1422

P1424, P1425
Refer to DTC P1424 / P1425: Evaporative Emission System Leak Detecting Pump Flow High/Low. P1424 P1425

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Part 2:

EVAP Control System Monitor