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Is my injector pump on way out - 1996 Toyota Land Cruiser

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Nobody on earth can tell you. not ever
only a simple test solve this riddle
that test is called using a fuel pressure gauge.
a $20, if that is out of budget
then take the car to the service shop. like most the 1billion car drivers do today.
you do , or they do
for you do do, you need 2 things, (3?) the FSM, Tools and skills.
we can only help you with skills here, and will .

Posted on Feb 13, 2014


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Posted on Jan 02, 2017


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1968 ford 2000 tractor 3 cylinders number 1 cylinder isn't getting fuel from injector pump the other 2 are is pump bad or not primed right

You need to ensure that here are no vacuum leaks in the line from the tank to the lift pump, the lift pump which looks very similar to a car petrol pump must be in good working order ie able to pump the minimum pressure and volume at cranking speed and idle speed.
If the lift pump is not working properly it will cause cavitation at the injector pump that will cause low pressure bubbles on the intake of the injector pump. If you have a good lift pump and there are no vacuum leaks between the tank and the lift pump then it may be down to bleeding the air out of the injector lines first at the pump, and then at the end of the injector lines (be very careful the diesel is at 170 to 175 times atmospheric pressure which is about 2500 pounds per square inch (which can penetrate skin deeply and even bone). Most of the Ford tractors use a rotary injection pump. Having only one cylinder not pressurizing is extremely unusual, try swapping the injectors between cylinders to see if it is a faulty injector, making sure to use new or at least anneal the old copper sealing washers and tension the injectors evenly with a tension wrench to correct torque. If the misfire then follows the injector it means your need the injectors servicing. New needles & nozzles for injectors is a lot cheaper than a new or rebuilt rotary injection pump. Please advise if it’s an inline pump. (which I doubt they were rare because they cost more).

Jun 01, 2016 | Ford Cars & Trucks

1 Answer

Looking for a injector pump for a onan quite diesel 8000 model number 8hdkak11451k

have you bled the air out of the injector lines or out of the injector pump
look in e-bay --type in injector pumps for onan diesel engine-- and see what is available
go google and type in --injector pump for onan diesel engine model 8000--and see are there are any diesel repair businesses with sirs for new and reconditioned pumps

May 09, 2016 | Cars & Trucks

1 Answer

I need timing marks for 2002 jetta 4 tdi 1.9 injector pump

Note: Install a new pump-injector unit, also replace the corresponding adjustment bolt in rocker arm.
For every procedure that requires adjustment of the pump-injector unit, the adjustment screw in the rocker lever and the ball pin of the pump-injector unit must be replaced.
New Pump-Injector Units are shipped with O-rings and heat protection seal.
Install the pump-injector unit again, replace the O-rings and the heat protection seal Pump Injector Unit O-Rings, Removing and Installing .
Before installing Pump-Injector Unit, check that the three O-rings, heat protection seal and securing ring are seated properly.
O-rings must not be twisted on themselves.
Oil O-rings and insert Pump-Injector Unit with great care into cylinder head seat.
Using uniform pressure, push the pump-injector unit into the cylinder head seat onto the stop.
Insert tension block into lateral slot of Pump-Injector Unit.
If Pump-Injector Unit does not stand at right angle to tension block, securing bolt can loosen and thereby cause damage to Pump-Injector Unit / cylinder head.
Align Pump-Injector Unit as follows.
Screw the new bolt into the tension block so far that the pump-injector unit can still be lightly turned.
Now align Pump-Injector Unit at right angle to thrust bearing of camshaft.
Using a caliper gauge (measuring range minimum 400 mm), check dimension "a" from the outer edge of the cylinder head to the round surface of the pump injector unit.
Cylinder Dimension a
1 333.0 0.8 mm
2 245.0 0.8 mm
3 153.6 0.8 mm
4 65.6 0.8 mm
Re-align Pump-Injector Unit if necessary and tighten securing bolt as follows:
Tighten the securing bolts to 12 Nm and turn an additional 270 degree ( 3 / 4 rotation, additional rotation may occur in several stages).
Install rocker arm axle and tighten new securing bolts as follows:
First hand-tighten the inner bolts - 2 - , then the outer bolts - 1 - equally; then tighten in the same sequence to 20 Nm and 90 degree ( 1 / 4 turn).
Place a dial gauge as shown onto the adjustment screw of the pump-injector unit.
Rotate crankshaft in direction of engine rotation until rocker arm roller stands at camshaft point. Roller side - arrow A - is positioned at the highest point, dial gauge - arrow B - is positioned at the lowest point
Remove the dial gauge.
Now turn adjustment bolt into rocker arm until significant resistance is noticeable (Pump-Injector element stands at stop).
Turn back adjustment bolt from stop approximately 180 degree
Hold adjustment bolt in this position and tighten lock nut to 30 Nm.

Feb 27, 2015 | 2002 Volkswagen Jetta TDI

2 Answers

Car is turning over but not getting fuel ideas anyone thanks

There is not much information for a good answer.
  1. Fuel filter clogged
  2. fuel pump not working [fuse,bad pump,broken wire etc]
  3. computer not telling the pump or injectors to work [should set a code]
  4. dirty injectors

Feb 09, 2015 | Cars & Trucks

1 Answer

QD32 engine how do I know number 1 on injector pump

if the injector pump is an inline pump ( where all the injector pipes are arranged along the top of the pump the no 1 injector is the line closest to the front of the engine . If it is a rotary pump ( where the injector lines mare arranged in a circle at the back of the pump no 1 will be either at the 10 oclock or 2 oclock position. As the injector lines are hard and bent for each piston then the line from no 1 injector will point to the no1 position on the pump regardless of how many cylinders there are. If it is a common rail diesel then it doesn't matter because the injection timing is electronic and set from the crank shaft position sensor.

Nov 27, 2014 | Cars & Trucks

1 Answer

There is supply of diesel fuel from the lnjection pump but it seems no diesel going inside the chamber,,

Not enough information. What vehicle? What year? What kind of injection system? There are basically two kinds of diesel injection - injector pump and common rail.
I did notice you talking about an injector pump, but both these systems need a high compression pump to operate the injectors. On the older systems, the injector pump is connected via a gear system to either the crank or the camshaft, and its task is to supply fuel to the injectors in very much the same way as a distributor does on a petrol car.
Now, do you mean the header pump that supplies diesel to the injector pump, or do you mean there is diesel coming out of the injector pump between the pump and the injectors?
On the other system, which I assume you are talking about, diesel is supplied to a high pressure pump which keeps a rail at high pressure. All the injectors are connected to this rail - from there the name "common rail" - and the timing is supplied by the Engine Control Module (ECM) via electrical impulses. Now ,if you have diesel supplied to the common rail but the injectors are not popping, the problem is most likely with the ECM.
However, there is no way of helping you unless you supply more information.

Oct 06, 2014 | Cars & Trucks

2 Answers

88 chevy 350 with no fuel pump and no injector pulse

The fuel pump circuit and injector circuits are fed by two different fuses.
The fuel pump relay and injectors are controlled by the computer. Have you checked both ECM fuses for power ?

Apr 10, 2013 | 1988 Chevrolet K1500

1 Answer

I have the exact same problem with my HZJ75, have had injectors and pump reconditioned, checked glow pluga and pre-heater timer, all ok...yet still a struggle to start?? PLEASE CAN ANYONE HELP.

I thing you repaired old injection pump and injectors
Have you check the pressure from the pump can open the injectors?
I-loose the all injector main pipe from the injection pump only injectors side
2-try to crank the engine just start while engine moving if you see diesel pressure where you loose means injection pump looks good, try to fixed all the pipes while engine cranking if the engine refuse to star injectors needs to resit correct opening pressure.
3-check the injectors pressure follow instruction manual book.
4-Check is any leaks all connections.
5-Check engine compression.

good luck

Feb 04, 2010 | 2001 Toyota Land Cruiser

5 Answers

Dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

May 05, 2009 | 1999 Dodge Ram

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