2000 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE

Fuel Injector

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Nissan Xterra, 2000 Nissan Sentra, 2000 Nissan Quest, 2000 Nissan Pathfinder, and 2000 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition off. Disconnect fuel injector harness connector. Measure resistance between injector terminals. Resistance should be 13.5-17.5 ohms at 68°F (20°C) on Sentra and 10-14 ohms at 77°F (25°C) on all other models. Replace injector if resistance is not as specified.

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When to See a Mechanic

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

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