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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Control System (2.0L (Except For HEV)) (Diagnostics) (2 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0171: System Too Lean Bank 1 >> Notes

DTC P0171: System Too Lean Bank 1: Notes

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Refer to DTC P0172 for diagnostic procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.0 (EXCEPT FOR HEV))>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)> DTC P0172: SYSTEM TOO RICH BANK 1 .