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Home >> Suzuki >> 1989 >> Swift GLX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Fuel System >> Fuel Delivery >> Fuel Pump Pressure Regulator
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Fuel Pump Pressure Regulator

  1. Place transmission in Neutral or Park and block drive wheels. On Sidekick, disconnect 4-wire connector from control relay. Two-connector control relay (4-wire and 6-wire connectors) is located under left side of dash.
  2. Remove main fuse box cover and engine coolant reservoir from bracket. Remove main fuse box from body and disengage wire harness connector from fuel pump relay.
  3. Remove fuel filler cap. Start engine and idle until engine dies. Crank engine 2-3 times more to ensure fuel is gone from system. Connect fuel pressure gauge. Reconnect control relay 4-wire connector. Start engine and note fuel pressure.
  4. Disconnect fuel presure regulator vacuum hose. Fuel pressure should increase. If fuel pressure does not increase, replace pressure regulator.
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