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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Fuel System >> Fuel Delivery >> Fuel Pump Pressure Regulator (Tracker)
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Fuel Pump Pressure Regulator (Tracker)

  1. Place transmission in Neutral or Park and block drive wheels. 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 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.
  3. Disconnect fuel pressure regulator vacuum hose. Fuel pressure should increase. If fuel pressure does not increase, replace pressure regulator.