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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (Diagnostics) (HEV) (4 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2457: EGR Cooler "A" Efficiency Below Threshold >> General Description >> Execution Condition

Execution Condition

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Secondary parameters Execution condition
Battery voltage
EGR step
Engine speed
Engine coolant temperature
Amount of intake air
Estimated exhaust gas temperature
Elapsed time after the enable conditions have been established
10.9 V or more
30 step or more
1500 rpm or more
50°C (122°F) or more
0.4 g/rev (0.01 oz/rev) or more
490°C (914°F) or more
14500 ms or more