How to Diagnose a Fuel Pump Problem on a Land Rover

Written by johnathan cronk | 13/05/2017
How to Diagnose a Fuel Pump Problem on a Land Rover
(Mark Renders/Getty Images News/Getty Images)

The Land Rover’s fuel pump is responsible for delivering fuel pressure and volume to the engine. Lack of fuel pressure will cause the Land Rover to idle roughly and stall frequently. No fuel pressure will cause the Land Rover engine to make a cranking noise yet never actually start. There are two other instances when the engine will crank and not start, such as bad spark plugs or a damaged timing belt; once you rule those two scenarios out, you are left with a fuel pump problem and should see a mechanic to diagnose and fix the fuel pump.

Open the bonnet of the Land Rover. Turn the key ignition; if you hear cranking of the engine but the engine does not start, this is the first sign in diagnosing a fuel pump problem.

Attach the spark plug test to a plug wire. Have another person inside the vehicle turning the key. If you notice sparks, then the problem is not the spark plug. Spark plug testers can be purchased at a local auto part store.

Locate the timing belt on the Land Rover. Refer to the owner’s manual for exact location. Timing belts are located inside a plastic cover at the end of the engine. Remove the screws holding the cover in place and pull the cover up. This will reveal the belt.

Turn the ignition key and examine the belt. If the belt is moving and not stopping, you have eliminated all other issues with a non-starting cranking engine, leaving you with a fuel pump problem.

Things you need

  • Spark plug tester
  • Another person
  • Owner’s manual

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