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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0171 System Too Lean (Bank 1) >> Enable Condition

Enable Condition

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

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

Map 5 

MAP REFERENCE

Engine speed (rpm) Idling 650 1000 1500 2000 2500 3000 3500 4000 4500
Measured value (g(oz)/rev) Non-turbo 0.203 (0.0072) 0.183 (0.0065) 0.155 (0.0055) 0.149 (0.0053) 0.157 (0.0055) 0.162 (0.0057) 0.18 (0.0063) 0.193 (0.0068) 0.205 (0.0072)