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Home >> Toyota >> 1992 >> Tercel Base, C140 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Injectors & Fuel Rails >> Installation
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Fuel Injectors & Fuel Rails: Installation

  1. Apply light coat of gasoline to NEW "O" rings and install "O" rings and NEW grommets onto injectors. Install injectors into fuel rail in the following order. Starting at pressure regulator end of fuel rail install Dark Blue injector, Brown injector, Dark Blue injector, and Brown injector (into last hole in fuel rail).
  2. When installing injectors into fuel rail, turn each injector from left to right while pushing downward to fully seat injector into fuel rail. Install 4 insulators and 2 spacers to cylinder head.
  3. Install fuel rail (with 4 injectors attached) to cylinder head. Ensure injectors rotate smoothly. If injectors do not rotate smoothly, check "O" rings for proper installation. Position injector connectors upward on camshaft cover side. Install 2 fuel rail bolts, and tighten to 14 ft. lbs. (19 N.m).
  4. Connect 2 Gray wiring harness injector connectors to Dark Blue injectors. Connect 2 Brown wiring harness connectors to Brown injectors. Connect fuel inlet pipe using NEW washer gaskets and tighten union bolt to 22 ft. lbs. (29 N.m). Connect fuel return pipe to pressure regulator and tighten to 14 ft. lbs. (19 N.m).
  5. To complete installation, reverse removal procedure. Tighten all nuts and bolts to specification. See appropriate TORQUE SPECIFICATIONS table at end of article.
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