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Home >> Plymouth >> 1990 >> Horizon Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.2L 4-CYL - VINS [C,D] & 2.5L 4-CYL - VINS [J,K] >> Removal & Installation >> Fuel Pressure Release

Fuel Pressure Release

CAUTION: Fuel system is under pressure. Pressure must be released prior to servicing fuel system components.
  1. Loosen fuel tank cap to release pressure. Disconnect injector wiring harness from engine wiring harness. Connect jumper wire from terminal No. 1 of injector harness to ground. See Fig 1 and Fig 2.
  2. Connect jumper wire to terminal No. 2 of injector harness. Touch jumper wire to positive battery terminal for no more than 5 seconds to release fuel pressure. Remove jumper wires and reconnect wiring harness.
Fig 1: Injector Wiring Harness Terminal Identification (Non-Turbo)
G90J02560Courtesy of CHRYSLER MOTORS.
Fig 2: Injector Wiring Harness Terminal Identification (Turbo)
G90B02561Courtesy of CHRYSLER MOTORS.
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