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Home >> Subaru >> 2012 >> Outback Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0171 System Too Lean (Bank 1) >> Enable Condition
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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)
Engine load ≥ Value of Map 1
MAP 1 REFERENCE CHART

Engine speed (RPM) Idling 650 1000 1500 2000 2500 3000 3500 4000 4500
Measured value (g (oz)/rev) na 0.208 (0.01) 0.201 (0.01) 0.185 (0.01) 0.183 (0.01) 0.193 (0.01) 0.206 (0.01) 0.206 (0.01) 0.225 (0.01) 0.245 (0.01)