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Home >> Subaru >> 2008 >> Outback Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0171 System Too Lean (Bank 1) >> Enable Condition >> Notes

Enable Condition: Notes

ENABLE CONDITION

Secondary Parameters Enable Conditions
A/F main learning system In operation
Engine coolant temperature ≥ 75°C(167°F)
Amount of intake air ≥ Value from Map 5
Intake air change during 0.5 engine revs. ≤ 0.02 g (0.001 oz)/rev