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Home >> Toyota >> 1994 >> MR2 2.2 S, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Pressure Regulators >> Removal & Installation (2.2L Non-Turbo)
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Removal & Installation (2.2L Non-Turbo)

  1. Disconnect negative battery cable. It is not necessary to remove intake manifold to remove pressure regulator from fuel rail. On MR2, remove cruise control actuator. On all models, disconnect vacuum hose from pressure regulator. Remove A/C idle-up valve (if equipped). Release fuel pressure at fuel filter. See FUEL SYSTEM PRESSURE RELEASE.
  2. Position cloth under pressure regulator fuel return pipe fitting. On 5S-FE, remove fuel return hose union bolt and 2 washer gaskets. On all models, remove 2 mounting bolts, and remove pressure regulator from fuel rail.
  3. To install pressure regulator, apply light coat of gasoline to NEW "O" ring and install onto pressure regulator. Carefully insert pressure regulator into fuel rail, and verify pressure regulator and "O" ring are properly seated to rail. Install mounting bolts and tighten to 48 INCH lbs. (5.4 N.m).
  4. Install fuel return hose and union bolt with 2 NEW washer gaskets. Tighten union bolt to 14 ft. lbs. (19 N.m). On all models, connect vacuum hose. On MR2, install cruise control actuator. Connect negative battery cable. Check for fuel leakage. See CHECKING FOR FUEL LEAKS.
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