What is the function of injection pump?

An Injection Pump is the device that pumps fuel into the cylinders of a diesel engine. Traditionally, the injection pump was driven indirectly from the crankshaft by gears, chains or a toothed belt (often the timing belt) that also drives the camshaft.

How do I know if my injector pump is bad?

Is My Fuel Pump Going Bad? Here Are 8 Signs It Is!

1. Fuel Tank Noise. A damaged fuel pump might make a loud, whining sound that you’ll hear from your gas tank.
2. Difficult Starts.
3. Sputtering Engine.
4. The Actual Stall.
5. Power Loss.
6. Surging Power.
7. Lower Fuel Efficiency.
8. Dead Engine.

How do you test a fuel injector pump?

The inj pump does all the really hard work of delivering the fuel to the cylinders via the injectors. To test the lift pump, once the engine is running, open the bleeder at the fuel filter. The engine should stay running and the fuel should really squirt out.

What are the two types of injection pump?

There are two types of fuel injection pump; the barrel cylinder type and the monoblock cylinder type.

How you should install injection pump?

1) Rotate the engine until the #1 piston rises to its highest point. 2) Connect the new pump to all fuel lines, except for the top hard lines that connect to each injector. Do not connect pump yet. 3) Press the primer pump to build pressure, open bleeder valve to release air, then close bleeder valve.

What causes injector pumps to fail?

One of the major reasons for injector pump failure is an excessive buildup of deposits. There are two types of deposits – internal injector deposits and external injector deposits. External injector deposits are caused by fuel that’s not wholly burned that often builds up around the injector holes.

How long do injector pumps last?

Diesel fuel injectors generally have a shorter lifespan than their predecessors, meaning they need to be replaced more frequently for optimal performance. The life expectancy of a good quality diesel fuel injector is around 150,000 kilometres.

How long do injection pumps last?

Fuel pumps have been known to last for over 200,000 miles in some cases. After 100,000 miles, the failure of the pump is likely enough that if you are replacing a major part in the fuel system nearby, it may be advantageous to replace it at the same time.

What is the difference between a fuel pump and fuel injector?

A fuel pump pressurizes fuel and sends it through the fuel line to the fuel injectors. The fuel injectors atomize the pressurized fuel and inject it into the combustion chamber.

How much does it cost to replace an injector pump?

To get your injector pump replaced, you are looking at anywhere from $1,400 to $1,875. For labor, you should pay between $770 and $1,000, while parts will run between $685 and $900.

How do you set the timing on a fuel injection pump?

If you decide to alter the fuel injection pump, you’ll need to:

1. Use a socket wrench on the front camshaft bolt to hand-turn the engine clockwise until the first cylinder is at TDC.
2. Both the intake and exhaust valves should be closed, and the TDC mark should be aligned.

Does AutoZone test fuel pumps?

AutoZone makes checking fuel pressure easier than ever. Get a fuel pressure test kit and check the fuel pump and fuel system on your ride today. If you suspect that the pressure in your fuel line may be off, come to AutoZone. We have everything you need to make sure your fuel injector is working right.