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Home >> Subaru >> 2004 >> Outback Base, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine (Diagnostics) (H6DO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1134: A/F Sensor Micro-Computer Problem >> Diagnostic Procedure

Diagnostic Procedure

DTC ON DISPLAY TITLE

Step Check Yes No
CHECK ANY OTHER DTC ON DISPLAY  Is any other DTC displayed? Check DTC using "List of Diagnostic Troble Code".
Note: It is not necessary to inspect DTC P1134		 Replace ECM.
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