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Home >> Subaru >> 2009 >> Impreza WRX STi >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Fuel Pump >> Inspection

Fuel Pump: Inspection

  1. Disconnect the ground cable from battery.
    Fig 1: Identifying Battery Ground Cable
    G05019586Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the fuel pump. Ref. to REMOVAL , Fuel Pump.
  3. Connect the battery positive terminal to terminal No. 5 and the battery ground terminal to terminal No. 6, and inspect the fuel pump operation.
    WARNING:
    • Wipe off fuel completely.
    • Keep the battery as far apart from fuel pump as possible.
    • Do not run the fuel pump for a long time under non-load condition.
      Fig 2: Connecting Terminal No. 5 To Battery Positive Terminal And No. 6 Terminal To Battery Ground Terminal
      G06344815Courtesy of SUBARU OF AMERICA, INC.
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