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Home >> Subaru >> 2010 >> Legacy Premium, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0172 System Too Rich (Bank 1) >> Enable Condition

Enable Condition

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

Secondary Parameters Enable Conditions
A/F main learning system In operation
Engine coolant temperature ≥ 75°C(167°F)
Engine load change ≤ 0.02 g/rev (0 oz/rev)
Learning value of EVAP cone. <0.1
Cumulative time of canister purge after engine start ≥ 20s
Continuous period after canister purge starting ≥ 29884 ms
Engine load ≥ Value of Map 1

Map 1 

AIR PRESSURE SPECIFICATION

Engine speed (RPM) Idling 700 1000 1500 2000 2500 3000 3500 4000 4500 5000
Measured value (g (oz)/rev) na 0.357 (0.01) 0.25 (0.01) 0.25 (0.01) 0.317 (0.01) 0.326 (0.01) 0.337 (0.01) 0.397 (0.01) 0.439 (0.02) 0.454 (0.02) 0.454 (0.02)