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Home >> Subaru >> 2009 >> Tribeca Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0171 System Too Lean (Bank 1) >> Enable Condition

Enable Condition

ENABLE CONDITION REFERENCE

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

Map1 

ENGINE SPEED REFERENCE

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)