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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0452 Evaporative Emission Control System Pressure Sensor Low Input >> Diagnostic Method

Diagnostic Method

Judge as NG when the continuous time of completing the malfunction criteria below becomes 15 seconds or more.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Fuel tank pressure < -7.45 kPa (-55.86 mmHg, -2.20 inHg)

Time Needed for Diagnosis:  15 seconds

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

Judge as OK when the criteria below are met.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Fuel tank pressure ≥ -7.33 kPa (-55 mmHg, -2.17 inHg)
Feedback lambda coefficient ≥ 0.9