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Home >> Lexus >> 1996 >> SC 300 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Fuel Pump Operation >> Checking Fuel Pump Operation (Using Scan Tester)
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Checking Fuel Pump Operation (Using Scan Tester)

  1. Remove instrument panel fuse box cover and connect scan tester to Data Link Connector (DLC) No. 3. Turn ignition on. DO NOT  start engine.
  2. Using scan tester manufacturer's instructions, activate electric fuel pump. Fuel pump is operating if fuel pump operating sound can be heard or pulsations can be felt in fuel line near fuel filter.
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