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Home >> Isuzu >> 1990 >> Impulse Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Throttle Body >> Removal & Installation (PFI)
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Removal & Installation (PFI)

  1. Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELEASE procedure in this article. Disconnect battery negative battery cable.
  2. Disconnect air cleaner duct from throttle body. Disconnect accelerator cable from throttle body. Remove throttle body from intake chamber. See Figure . To install, reverse removal procedure. Tighten bolts to specification. See FUEL RAIL TORQUE SPECIFICATIONS table under TORQUE SPECIFICATIONS at end of this article.