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Recently re-installed electric fuel injector pump, pump has been overhaul & serviced in Cairns. Everything's been put back, but we are finding there's no electricity are flowing through to the fuel pump. Somehow there's a blockage half way, partner has tracked back the wires and has checked the fuse, one wire is dead when wire-tested. Is there some other place that we may not have checked ie the regulator or what role does the solonoids plays with regards to the electric fuel injector pump. We have noticed a distinctive noise from the pump when it was running when first bought, now the noise is not there and the Hilux is still not turning over. We have changed over battery from my Pajero into the Hilux. HELP PLEASE..Ta heaps Nancy Lockhart River Qld

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Hi

Please check the bellow link to have a detailed view to diagnose your problem and the solutions to it….

http://www.aa1car.com/library/car_wont_start.htm

http://www.autohausaz.com/html/fuelpumps.html

Let us know if you have something more to know else accept the suggestion.
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Posted on Jul 05, 2010

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Dont know how to put back fuel pipes from pump to injectors on a 2006 isuzu 2.5 fleetside please help


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I am getting no diesel into my fuel filter is their a electric pump in my tank or is the fuel pump part of the injector pump


Fuel Pump REMOVAL & INSTALLATION Navajo and B Series Pick-up Models NOTE: To gain access to the fuel pump, it is necessary to remove the fuel tank.
  1. Depressurize the fuel system and remove the fuel tank from the vehicle.
  2. Remove any dirt that has accumulated around the fuel pump attaching flange, to prevent it from entering the tank during service.
  3. Turn the fuel pump locking ring counterclockwise using a locking ring removal tool and remove the locking ring.
  4. Remove the fuel pump and bracket assembly.
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    Fig. 3: Fuel pump and sending unit used on the Navajo 89685g04.gif

  7. Insert the fuel pump assembly into the fuel tank, then secure it in place with the locking ring. Tighten the ring until secure.
  8. Install the tank in the vehicle.
  9. Install a minimum of 10 gallons of fuel and check for leaks.
  10. Install a pressure gauge on the throttle body valve and turn the ignition ON for 3 seconds. Turn the key OFF, then repeat the key cycle five to ten times until the pressure gauge shows at least 30 psi. Reinspect for leaks at the fittings.
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    Fig. 5: Removing the fuel pump assembly 90975g07.gif
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How to replace fuel injector 97 cavalier 2.2L


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Disconnect the negative battery cable.
Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
Remove the air cleaner outlet resonator mounting screw.
Disconnect the air cleaner outlet resonator clamp at the throttle body.
Remove the air cleaner outlet duct from air cleaner outlet resonator and air cleaner assembly.
Disconnect the crankcase vent hose clamp and the crankcase vent hose from the top of the engine.
Remove the air cleaner outlet resonator.
Remove the fuel rail bracket.
Remove the fuel injector electrical connectors by pushing in the wire connector clip and pulling the electrical connector away from the fuel injector.
Remove the fuel feed inlet pipe quick connect.
Remove the fuel return pipe from the fuel pressure regulator.
Remove the fuel rail attaching bolts.
Remove the fuel rail assembly from the cylinder head.
Remove the fuel injector retaining clip.
Remove the fuel injector.
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1 Answer

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1 Answer

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The fuel tubes leading from the fuel tank to the engine are under pressure during vehicle operation. When the engine is turned OFF, the fuel in the fuel tubes remains pressurized for long periods of time to provide quick start-ups. Fuel not used by the fuel injectors during operation is routed back to the fuel tank through the fuel return tube.

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