Diesel Data: Automotive Repair

Verification of Vehicle Repair





Engine Control
P0456 Evap. Emission System - Leak Detected (Very Small Leak):_:Verification of Vehicle Repair

Verification of Vehicle Repair

1. Return vehicle to original condition.
2. Start engine to normal operating temperature.

NOTE:
Evaporative Emissions Systems (EVAP) Leak Tests can be run by the Scan Tool. The tests are automated and provide either a pass-fail result or directions to check for DTCs.

3. Install scan tool and clear DTC
4. Perform "EVAP. LEAKAGE TEST" mode referring to enable conditions as below

NOTE:
EVAP. Leakage Test enable conditions
1. Following conditions must be fulfilled to start the test.
1) Engine warm up at Idle Status
2) No relevant DTC
3) Fuel level is below 80%

5. Monitoring for (pending) DTC.Is the same DTC set?
YES
> Go to the applicable troubleshooting procedure.
NO
> System performing to specification at this time.