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Home >> Subaru >> 2013 >> Forester XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance >> Enable Conditions

Enable Conditions

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

Secondary Parameters Enable Conditions
Ignition switch ON
Engine speed < 300 rpm
Vehicle speed < 1 km/h (0.621 MPH)
Soaking time ≤ 60 s
Variation value of intake manifold pressure (absolute pressure) since ignition switch is turned to ON < 1.332 kPa (9.99 mmHg, 0.39 inHg)
ELCM vacuum pump Not in operation
ELCM switching valve Open
Purge control Not in operation