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Home >> Ford >> 1990 >> Pickup F150, 2D Pickup, 5.0 N, RWD, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (Gasoline) >> Fuel Supply Manifold Assembly >> Removal & Installation (5.0/5.8/7.5L)
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Removal & Installation (5.0/5.8/7.5L)

  1. Loosen fuel tank cap. Disconnect electrical lead at fuel pump relay, inertia switch, or in-line high pressure fuel pump.
  2. Crank engine for 10 seconds. If engine starts, allow to idle until engine stalls. Crank engine an additional 5 seconds after engine stalls. Reconnect electrical lead that was disconnected in step 1). Disconnect negative battery cable.
  3. Remove upper intake manifold and throttle body assembly. Disconnect fuel supply and return line connections at fuel supply manifold.
  4. Remove fuel supply manifold retaining bolts. Carefully disengage fuel supply manifold from fuel injectors. To install, reverse removal procedure. See Fig 1 and Fig 2 .
Fig 1: 5.0L & 5.8L Multi-Point Fuel Injection System
G72657Courtesy of FORD MOTOR CO.
Fig 2: 7.5L Multi-Point Fuel Injection System
G72658Courtesy of FORD MOTOR CO.