How to Remove the Diesel Fuel Injector

Written by oliver hill
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How to Remove the Diesel Fuel Injector
(fuel valve image by Luis Bras from Fotolia.com)

When a vehicle is working properly, the fuel injector circulates fuel to the engine for combustion. Diesel fuel injectors involve the same removal process as gasoline fuel injectors. You will need to remove the fuel injector if your vehicle begins emitting dirty exhaust or if it is constantly stalling. This is a common repair on diesel engines and can be performed by the average shade tree mechanic.

Skill level:
Moderate

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Things you need

  • Shop rags
  • Wrench
  • Phillips head screwdriver
  • Ratchet, extension and socket

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Instructions

  1. 1

    Run your hand along the fuel rail at the top left of the engine until you feel the Schrader valve. This metal valve is rectangular in shape. Unscrew the top of the valve with a Phillips head screwdriver.

  2. 2

    Locate the thin battery wire that goes into the fuel injector. Detach this wire from the fuel injector with a wrench.

  3. 3

    Detach the seven wires going into the diesel fuel injector. Gently pull each wire out, being careful not to damage the ends of the wires.

  4. 4

    Remove the three mounting screws on the fuel rail just above the engine with a ratchet, socket and extension.

  5. 5

    Lift the diesel fuel injector out of the engine compartment with a rag wrapped around it to prevent oil from getting all over you.

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