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How do i remove an injector pump for FD46 engine

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I have a Toyota Hilux 2.8 diesel 3l engine injector pump has great pressure on only 3 cylinders but number 4 is lacking pressure enough to make it miss , what can corse this problem


You didn't say but presumably the engine uses a DPA type or distributor type injection pump.

In this case the injector line pressure is governed by the condition and setting of each injector. If the break-off pressure of an injector is set to 80 atmospheres that pump element will produce a pressure of 80 atmospheres.

If one injector becomes "soft" and worn so the break-off pressure has fallen to 20 atmospheres for instance, or if the injector sticks open, the pressure generated by the pump will be either 20 atmospheres or virtually nothing.

When a conventional diesel engine develops a misfire, best practice is to ensure valve clearances and suchlike are in order, the compression pressure is good and then independently test the injector (and heater plug).

If everything is in order the pump should be removed for testing, repair and recalibration.

Jun 07, 2017 | Toyota Cars & Trucks

2 Answers

I have changed my head gasket,skimmed the top and changed the oil cooler but my FD46 engine still mixes water and oil in the radiator not in the engine oil can you please advise


I WOULD SUGGEST YOU SHOULD HAVE THE UNIT PRESSURE TESTED, IT SOULDS LIKE A CRACKED JOURNAL BETWEEN THE PORTS, OR ELSEWHERE. has the head been ported?

Feb 02, 2015 | Cars & Trucks

2 Answers

Timing marks for zd30 d22 injector pump


Most engines are required to be a TDC or Top Dead Center and then align the timing mark on the injector pump with the housing or mounting surface mark. I would obtain a specific manual for your engine...just to make sure. Best Wishes.

Sep 04, 2014 | Cars & Trucks

1 Answer

Why is FD46 engine unable to start after complete overhaul?


The camshaft timing may be correct but is the ignition 180 degrees out so its firing on the exhaust stroke?
Check this by watching the valves on no1 cylinder and when they are both closed see if the timing mark on the crank corresponds to the firing point on the distributor

Aug 08, 2014 | 2006 Nissan 1400 Bakkie

1 Answer

How to bleed injector pump on isuzu nkr pick up


These are self bleeding so if diesel is getting to the pump it won't need bleeding. If you still feel the need to bleed the system then loosen one injector pipe turn the engine until you see diesel coming tighten again it should fire up. If you have a good flow of diesel coming from the filter to the pump and diesel at the injector pipe then your pump pressure may be low. To check remove any injector reconnect the pipe to it with the injector end where you can see it. Turn the engine with the starter a few times the diesel should be making a mist. Wear eye protection for this test

May 28, 2014 | 1995 Isuzu Trooper

1 Answer

Remove Injectors from Engine on KIA Pregio


is the engine 27diesel J2 ? If so just unbolt all the injectors pipes from top and loose the bolts on the feeding pump side so to enable you to move the pipes.then with a socket of 17mm remove all the bolts (4 pcs) from the injectors holding the return pipe.With a 22mm socket start loosing one by one the injectors and remove them from the cylinder head be careful not anything or any dirt dropped int he injectors holes.

Sep 03, 2012 | Kia Pregio Cars & Trucks

2 Answers

Install zd30 deisel injector pump


how do i change a diesel pump on a sprinter bus

Jul 28, 2012 | 2005 Nissan Pickup Navara

2 Answers

My isuzu truck mixes diesel and engine oil. what is the cause?


the injector are along top of engine , the lines all run back to a pump usually attached to engine side, only unit with multiple metal tubes running out to engine top, removal of injectors requires some special tools. this requires good diesel knowledge and tools to repair either one.

Jun 09, 2012 | Isuzu Cars & Trucks

1 Answer

My hilux wont start i replaced a seal on the pump now wont start got fuel to the pump dose not seam to be getting to the injectors


if this is a diesel L or L2 engine chances are you've got trapped air in the steel lines from the injection pump to the injectors loosen- but do not remove- the fitting holding the fuel lines to the injector start/crank the engine until fuel spurts out the loose fittings. tighten fittings. start the engine. this will have the engine running if the problem is trapped air.

Jul 19, 2011 | 1983 Toyota Pickup

1 Answer

How to remove a td27 fuel injector pump in order to reseal it?


hi.. I have TD 27 engine. first time I start it. there is small miss.so I` ve removed the whole injector pump , cleaned it & fix it. now it doesn`t start first time. but few times I tried. it will starts. but when I increased the engine speed taped noise coming. if there is any timing of the injector pump. please help me to solve it .
thanks. jaya.

Jun 13, 2009 | 1997 Nissan Pathfinder

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