Fuel Pump

1991 Nissan-Datsun NX 1600, StandardSECTION Fuel Pump

If fuel pump does not run, disconnect fuel pump connector. Provide ground and battery voltage to fuel pump connector terminals. See appropriate WIRING DIAGRAMS article to identify fuel pump connector terminals (wire colors). If pump runs, see RELAYSΒ  under RELAYS & SOLENOIDS for testing, or repair open or short in harness between relay and pump. If pump does not run, replace fuel pump. Also see appropriate FUEL PUMP diagnostic chart.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.