SAAB WIS ONLINE

ME9 / P0496 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)

  P0496 00


EVAP Purge Valve, Internal Leakage

Fault symptom

Fault indicator lamp (for further information see WIS Fault diagnosis, general)

On-board diagnosis

Type of diagnosis:

Once per driving cycle. Stopped when fault criteria are fulfilled or OK reported.

Enable criteria:

Battery voltage must be between 11 - 18 V.
Engine running.
Fuel volume 12-88%.
Tightness diagnosis active (P0455).
Shut-off valve and EVAP canister purge valve are closed, tank pressure is registered.

Fault criteria:

Although the purge valve is closed, the tank pressure continues to fall. When the pressure has reached -1000 Pa in 4 s, a DTC is set.

Diagnostic help

Diagnosis regards:

Internal valve leakage.

Functions in the diagnostic tool related to the fault:

Activation:
EVAP Valve

(See also description of readings/activations in diagnostic tool)