1989 Mazda B2200 Replace a Fuel Pump

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If after checking fuses and relays you still aren't getting fuel to your engine, then it could be that you have a faulty fuel pump. Replacing the fuel pump in a 1989 Mazda B2200 truck isn't very hard to do, and even a person with little auto repair experience can get the job done in a couple of hours. All it takes is a few basic tools and an outdoor area in which to work to prevent gas fumes from building up.

[edit] Tools Used

Tools
Socket and ratchet set
Phillips screwdriver
New fuel pump

[edit] Replace a Fuel Pump

  • Start the engine and disconnect the fuel pump relay. Leave it off until the truck stalls to relieve the pressure from the fuel system.
  • Turn the key off and reconnect the fuel pump relay.
  • Remove the terminal from the negative post on the battery.
  • Remove the fuel tank using the proper size socket and the ratchet.
  • Clean the dirt off the fuel tank around the fuel pump sending unit.
  • Remove the screws using the screwdriver and take the sending unit/fuel pump out of the gas tank.
  • Disconnect the electrical wires and the fuel hose from the fuel pump.
  • Connect the wires and the fuel hose to the new fuel pump.
  • Place the new fuel pump in the gas tank.
  • Secure the pump to the tank with the screws using the screwdriver. Do not overtighten.
  • Replace the gas tank on the truck. Tighten the bolts by hand to hold the tank in place.
  • Tighten the bolts on the gas tank using the proper size socket and ratchet.
  • Reconnect the negative battery terminal.
  • Start the truck to test the installation.

[edit] Tips & Warnings

  • Always work on the fuel system in a well-ventilated area.
  • Don't smoke when working on the fuel system of any vehicle.
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