Subaru Legacy 2004 Service Manual page 1408

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
AD:DTC P0270 CYLINDER 4 INJECTOR CIRCUIT LOW
DTC DETECTING CONDITION:
Detect as soon as the malfunction occurs.
TROUBLE SYMPTOM:
• Engine stalls.
• Erroneous idling
• Rough driving
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
30, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-28, PROCE-
DURE, Inspection Mode.>.
EN(H4DOTC)(diag)-119