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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0171 System Too Lean (Bank 1) >> Enable Condition

Enable Condition

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
ENABLE CONDITION

Secondary Parameters Enable Conditions
A/F main learning system In operation
Engine coolant temperature ≤ 70 °C (158 °F)
Engine load change < 0.02 g/rev (0 oz/rev)
Engine load ≤ Value of Map 1
MAP 1

Engine speed (rpm) Idling 700 1000 1500 2000 2500 3000 3500 4000 4500
Measured value (g (oz)/rev) na 0.23 (0.01) 0.19 (0.01) 0.1825 (0.01) 0.2 0.01) 0.2225 (0.01) 0.23 (0.01) 0.23 (0.01) 0.26 (0.01) 0.2625 (0.01)