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Isuzu KB 300 does not pump diesel

Pump does not deliver diesel to the injectors, what could cause this problem, please

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Benimur
  • 6966 Answers

SOURCE: on start up cold, engine

Hi,

Since you did not post that the idle is rough, I would assume that what you are referring to is that engine will not idle when cold. Areas/components to check would be (depends on the regional version of your engine):

  1. auto throttle choke;
  2. Air idle valve (electrical);
  3. injector and injector pump (least likely).
Worst case scenario, have your compression checked.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jul 21, 2008

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  • 105 Answers

SOURCE: Diesel Fuel leak of of large nut in backside of injector pump

do yourself a favor and take the truck to a fuel diesel injection shop the larger nut is just a cover but the smaller one is an adjustment if you remove either on you could damage the pump

Posted on Jun 02, 2009

stevenhurc
  • 450 Answers

SOURCE: isuzu C223 timing

need a injector pump dial indicator to set up lift in pump (movement on dial indicator)0.05mm at correct timing mark on crank pulley 12 deg.
the above is an example for 4JB1 & 4JB1-TC
which are isuzu diesel engines

Posted on Jul 27, 2009

simontricket
  • 235 Answers

SOURCE: Isuzu bighorn diesel 4jg2 engine timing diagram

http://www.jeepolog.com/UserFiles/downloads/trooper_manual.pdf

This site has it .

Posted on Aug 25, 2009

moshel904
  • 63 Answers

SOURCE: 1996 daewoo cielo wont deliver fuel to engine.

Ground connection at fuel connectors near pump has no connection

Posted on Mar 19, 2010

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1 Answer

What causes un even idling on an Isuzu Kb 300Lx dteq 2009 diesel bakkie ?


A leaking injector or one that may be partially plugged will do it. The injector pump may be worn enough to not supply enough pressure to the injectors. There could be water in the fuel or a filter in need of changing. Low compression on one or more cylinders will do it too

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the 1000th post for this in a USA Forum
we dont have KB trucks here in USA. or books on it. zero.
where is yours.
africa.
or Australia.
on YEAR car stated,
3.0L diesel pump timing. google with the real engine name
and will win.
3.0L is not it.

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Hi, i've changed the diesel pump on my 2005 Isuzu Kb 300 4jh1 now it won't start and shows ecu error p1651. What can it be?


a usa forum
we dont have a single KB here,\not one,
good luck!
so where is it, Africa, Australian
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How do i set the injector pump timing on a isuzu kb 250 turbo diesel


what country
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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

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1 Answer

Isuzu kb 280 dt got a fuel starvation problem after it stands for a few days, when i pump the prime pump on top of fuel filter the problem is gon.


It could either be a fuel pipe between your prime pump and injector pump that sucks air so your diesel flows back into your fuel tank. Or you need to replace the prime pump.There is a rubber diaphragm in the prime pump that gets worn. Unfortunately need to buy a new prime pump. A simple sollution is to fit a non return valve to your fuel line. That need to be connected between the prime pump and fuel tank. Hope it helps. Blessings

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2 Answers

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


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Jun 09, 2012 | Isuzu Cars & Trucks

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I have a Diesel Fiat Punto 1.3 multi jet 2003. I cant start the car it keeps turning over and over and will not start. Ive had the pump and injectors checked, changed the starter motor, had new glow plugs....


First I would check to make sure you have the proper fuel pressure at the pump - you should have 2 pumps - one that delivers from the tank, and a high pressure pump for the injectors. Make sure that both are delivering properly - you may need to prime the pumps for quite some time if air got into the lines. Also make sure the cam / crank sensors wiring has no corrosion and is making proper contact. Between 0 to 300/400rpm the signal can be slightly erratic until the engine is started so I would not worry too much about that.

Mar 15, 2011 | 2006 Fiat X1/9

2 Answers

Isuzu C223 timing


need a injector pump dial indicator to set up lift in pump (movement on dial indicator)0.05mm at correct timing mark on crank pulley 12 deg.
the above is an example for 4JB1 & 4JB1-TC
which are isuzu diesel engines

Apr 19, 2009 | 1988 Isuzu Trooper 2 Door

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