Subaru 2002 Impreza - Page 376

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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
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2:
DTC PO171 - FUEL TRIM MALFUNCTION (NF TOO LEAN) -
NOTE:
For the diagnostic procedure, refer
to DTC P0172. <Ref. to EN(D0HC TURBO)-153, DTC PO172 - FUEL
TRIM MALFUNCTION
(NF TOO RICH) -, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
EN(D0HC TURBO)-152