How to Troubleshoot a Fuel Pump in a 1999 Dodge Durango


The fuel pump in a 1999 Dodge Durango helps to deliver fuel to the engine by pressurizing steel lines that run from the fuel tank to the filter and rail assemblies. The gasoline from the fuel tank is then mixed with outside air to create fuel, which can then be burned efficiently in the engine's combustion chamber. When a fuel pump fails, your Durango will not run. Fortunately, there is a simple way to troubleshoot the problem to tell if you are having a fuel pump issue.

Things You'll Need

  • Small flat blade screwdriver
  • Clean rag
  • Check the fuel pump fuse under the dash. Open the dash fuse panel box and locate the fuse for the fuel pump. Place the teeth of the supplied fuse puller over the end of the fuse and pull the fuse straight out. Inspect the fuse to see if the fuse has popped. If the fuse is fine, then put the fuse back into place.

  • Turn your Durango's ignition to the "II" position. Do not crank the engine.

  • Listen for a slight humming sound. When you turn the key in the ignition to the "II" position, the fuel pump relay will energize and cause a faint hum. The sound should be coming from the rear of the Durango, where the fuel pump is located.

  • Attempt to start the Durango. If you did not hear the relay energize, you should not be able to start your vehicle. If this is the case, you must replace your fuel pump and relay.


  • Dodge Durango 1998-1999, Dakota Pick-ups 1997-1999 2WD & 4WD Repair Manual; Jeff Kibler, John H. Haynes; 1999
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