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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> 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: For the diagnostic procedure, refer to DTC P0172. <Ref. to DTC P0172 SYSTEM TOO RICH BANK 1 , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
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