LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1990 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rail & Fuel Injectors >> Removal & Installation
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Removal & Installation

  1. Relieve fuel pressure. See FUEL SYSTEM PRESSURE RELEASE procedure in this article. Disconnect negative battery cable. Disconnect air cleaner duct from throttle body.
  2. Disconnect accelerator cable from throttle body. Remove throttle body from intake chamber. Remove support bracket from fuel rail and cylinder head. See Fig 1 .
  3. Remove breather hose from rear of valve cover. Disconnect pressure regulator vacuum hose. Disconnect fuel return line from fuel rail. Disconnect injector harness connector from injectors.
  4. Remove fuel rail mounting bolts. Disconnect fuel supply pipe from fuel rail and lift out fuel rail with injectors. To install, reverse removal procedure. Replace injector rubber "O" rings and lubricate prior to insertion. Torque bolts to specification. See TORQUE SPECIFICATIONS at end of this article.
Fig 1: Exploded View of Typical Intake Manifold & Fuel Rail Assembly
G122438Courtesy of ISUZU MOTOR CO.
scientia non olet · About LEMON Manuals