Subaru 2002 IMPREZA Service Manual page 1333

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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)

AJ:DTC P0304 — CYLINDER 4 MISFIRE DETECTED —

• DTC DETECTING CONDITION:

• Two consecutive driving cycles with fault

• Immediately at fault recognition (A misfire which could damage catalyst occurs.)

• TROUBLE SYMPTOM:

• Engine stalls.

• Erroneous idling

• Rough driving

After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(TURBO)-45, OP-

ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.> .

• WIRING DIAGRAM:

EN(TURBO)-173

ENGINE (DIAGNOSTICS)

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2001 impreza