PR25DD engine

WARNING: This page is about a different variant/trim than selected.

CHECK DTC PRIORITY
If DTC P0451 is displayed with DTC P010A, P0452, or P0453, first perform the trouble diagnosis for DTC P010A, P0452, or P0453.

Is DTC P010A, P0452, or P0453 detected?

YES

Perform diagnosis of applicable.
- DTC P010A:Refer to DTC Description .
- DTC P0452:Refer to DTC Description .
- DTC P0453:Refer to DTC Description .
NO

GO TO 2.
CHECK HOSE AND PIPING
1. Turn ignition switch OFF.
2. Check the following.
  - Blockage, crush, or damage in the hose and the piping of EVAP purge line between fuel tank and intake manifold.
  - Blockage, crush, or damage in the hose and the piping of intake air passage between inlet air duct and intake manifold.
Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace error-detected parts.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check EVAP control system pressure sensor. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace EVAP control system pressure sensor. Refer to EVAP CANISTER : Removal & Installation (AWD) or EVAP CANISTER : Removal & Installation (FWD).
CHECK MAP SENSOR
Check the MAP sensor. Refer to Component Inspection .

Is the inspection result normal?

YES

Check intermittent incident. Refer to Inspection .

NO

Replace MAP sensor. Refer to Removal & Installation .