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Home >> Subaru >> 2021 >> Legacy Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0171: System Too Lean Bank 1 >> Notes
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DTC P0171: System Too Lean Bank 1: Notes

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