- Obtain Rebuild Kit. The first step in the repair process is to obtain an injector pump rebuild kit. ...
- Take Injector Apart. Remove the O-rings at either end of the injector and soak it in carburetor cleaner overnight. ...
- Clean Injector While Applying Power. The injector is controlled by a solenoid which opens a valve. ...
- Rebuild Injector. Cut off the pintle cap and remove the spacer. Be extremely careful from this point forward. ...
Full Answer
How do I repair an injector pump?
Step 1 - Obtain Rebuild Kit . The first step in the repair process is to obtain an injector rebuild kit. This usually includes a filter, spacer, pintle cap, and o-rings. These parts will be fitted to your vehicle's make, model, and year. Find a large quantity of carburetor cleaner and bucket as well. Remove the injector pump from the fuel line.
How to fix a fuel pump without replacing it?
Here is how to fix a fuel pump without replacing it. First, you should make sure that you have done a fuel system pressure diagnosis to find out whether the fuel system supplies fuel. To do that test, you will need a fuel pressure gauge.
What is an injector pump?
Injector pumps are among the most critical components of a vehicle's engine. The fuel injector controls the flow of gasoline or diesel into the combustion chamber. Over time, impurities in the fuel will cause sludge and deposits to build up on the injector.
What causes an injector pump to break?
Injector pumps are among the most critical components of a vehicle's engine. The fuel injector controls the flow of gasoline or diesel into the combustion chamber. Over time, impurities in the fuel will cause sludge and deposits to build up on the injector. This reduces engine performance and can eventually cause the injector to break.
Can an injector pump be repaired?
Fuel injection pumps Most repairs are carried out at our fully equipped work shop, being bench tested and calibrated to the manufacturers specifications, however some repairs can be carried out on site without the need to remove the fuel pump from the vehicle.
Can you rebuild a fuel injection pump?
No, most injection pumps have a seal and gasket kit or there are separate seals and gaskets for them. Hard parts are a replaced after examination, when worn or if they fail testing. There are not rebuild kits like there are for an engine rebuild.
Can diesel fuel pump be repaired?
With the high costs of these units, it is economical to know if they are faulty or if there are other underlying issues on your vehicle. Your diesel pumps will be professionally repaired/reconditioned as follows: Disassembled. All parts completely cleaned.
What causes injector pump failure?
A major cause for fuel injection pump problems is the use of dirty fuel. Over time, residue builds up throughout your system. Using poor-quality fuel exacerbates this issue. Bring your vehicle in for auto repair if you notice sputtering or your vehicle hesitates when accelerating.
How long does it take to replace injector pump?
Well-known member. A few people fully remove all the injection lines to get the pump out. That is not needed though. Follow the directions in the -20 and it will take 2-4 hours.
How do you refurbish a fuel injector?
1:2013:50DIY Fuel Injector Clean & Refurb (Basic Tools) - YouTubeYouTubeStart of suggested clipEnd of suggested clipAlready this seal here is like a rubber buffer that sort of spaces out the fuel rail which is heldMoreAlready this seal here is like a rubber buffer that sort of spaces out the fuel rail which is held in by the o-ring that you can see here that points this with the screw it's probably easier.
How do I test my injection 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 happens when injector pump fails?
This problem is caused when the fuel pump can't deliver a smooth flow of fuel to the engine; periodically, your engine receives only air when it was expecting to receive fuel. This interruption in fuel flow causes your engine to skip several power strokes, forcing the engine to sputter and jerk.
How do I know if my injector pump is bad?
Here are a few signs there might be something wrong with your fuel injectors.The Engine Misfires. Dirty fuel injectors may cause your vehicle's engine to misfire. ... Idling Gets Rough. ... Your Gas Mileage Tanks. ... The RPM Needle Starts to Dance. ... Your Car Won't Start.
What are the signs that and injector pump needs rebuilding?
5 COMMON SYMPTOMS OF FAULTY DIESEL FUEL INJECTORSTrouble starting the vehicle or uneven idling. The engine cranks but doesn't start unless you crank it for a long time. ... Misfire. ... Smell of fuel. ... Dirty emissions. ... Increased fuel consumption and poor miles per gallon.
How much does it cost to rebuild a injector pump?
The Best in Auto Repair The average cost for diesel injection pump replacement is between $1,747 and $2,367. Labor costs are estimated between $478 and $603 while parts are priced between $1,269 and $1,764. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
How do you rebuild a high pressure fuel pump?
35:2541:32How To Rebuild Your Mazdaspeed High-Pressure Fuel Pump - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo with this we're showing how to use a flathead screwdriver to gently loosen the tap it from theMoreSo with this we're showing how to use a flathead screwdriver to gently loosen the tap it from the retainer. Next we're going to pull the piston out of the seal screw and the spring off the seal screw.
What are the symptoms of a faulty diesel fuel pump?
Symptoms of a failing fuel pump may include:Jerks or sputters at high speeds.Power loss on acceleration.Power loss while driving up a slope.Power loss while towing.Engine surging while acceleration is not engaged.Engine will not fire.
How do you fix a high pressure diesel pump?
1:089:49How to rebuild high pressure diesel pump - YouTubeYouTubeStart of suggested clipEnd of suggested clipBefore removing the last screw make sure you push down on the cover because it is spring-loaded.MoreBefore removing the last screw make sure you push down on the cover because it is spring-loaded. Once you have completely removed the last screw slowly lift up on the cover to release the tension.
How does a high pressure diesel fuel pump work?
0:362:05Diesel Fuel Delivery - High Pressure Supply - YouTubeYouTubeStart of suggested clipEnd of suggested clipDown this compresses the return spring creating a low pressure area in the diaphragm's pumpingMoreDown this compresses the return spring creating a low pressure area in the diaphragm's pumping chamber fuel flows into the pumping chamber via the inlet check valve.
Why does my fuel injector plug up?
Over time, impurities in the fuel will cause sludge and deposits to build up in the injector. This reduces engine performance and can eventually cause the injector to plug up. The three main causes of fuel injector failure are a burnt-out solenoid, corroded electrical contacts, or leaky seals.
How does an injector work?
The injector is controlled by a solenoid which opens a valve. Opening this valve while you are blowing air through the injector is critical to a thorough cleaning. Find an old injector wiring connector from a junk yard and use it to wire the injector a battery and to the ground.
Can you remove injectors yourself?
The tolerances on the injector are very low and it easy to mess it up. If you are not confident in your abilities you can opt to remove the injector yourself and send it away for rebuilding. This is cheaper and more convenient than visiting a garage. Continue reading below Our Video of the Day.
Can fuel injectors be damaged?
However, you must be careful. The internal components of the fuel injector are very delicate and can be damaged easily by rough handling or the wrong cleaning chemicals. The tolerances on the injector are very low and it easy to mess it up.
How to tell if fuel pump is bad?
7 Symptoms and Signs of A bad fuel pump 1 The engine of your BMW will sputter at constant high speed and will later resumes its normal performance. 2 After the temperature of your car rises, it will stall. 3 The car performance will decline when climbing hills or carrying a heavy cargo 4 After moving at normal speed, it will suddenly pick up and surge forward 5 You will notice poor gas mileage 6 Inability to start after trying several times 7 You will notice an unusual noise from the fuel pump.
What is the job of a fuel pump?
A lot of people may be wondering, what is a fuel pump? For those who don’t know, a fuel pump’s primary job is to discharge fuel from the tank to the engine. However, most fuel pumps have relays that control them. And the relays are in turn controlled by your car ignition switch.
What does it mean when your fuel pressure is lower?
Anytime you experience a lower fuel pressure when the engine is in an idle mode, or when you load it, it simply means there is either a pump failure or the fuel filter is blocked.
Why does my fuel pump stop working?
What you should know is that it doesn’t matter what the cause or symptoms are, the truth is that once there is a problem in the fuse or the wiring system, electrical power will not be supplied to the fuel pump, which will make the pump to stop working .
How to check if a fuel filter is blocked?
However, if you have used it for a long time, then ensure it is changed. Check the Fuel Pressure Regulator: Examine if it has fuel in it or not, and know if it is still working properly. Once dry, then it’s okay.
What are the different types of fuel pumps?
Remember, there are 3 main types of fuel pumps which includes: The mechanical pump. The Electric pump. The direct injection high-pressure pumps. Normally, a Fuel pump will give several signs to you before it fails completely and you are supposed to replace or repair it. Our today’s post will reveal to you how to identify a bad fuel pump as we also ...
Can you use color wires on a pump?
After everything and you notice the pump does not have access to the power feed wire, then you can deal with the problem in a different way. You can use a color wire to send energy to the pump, but you need to identify the right wire. To achieve this, find the service manual to see the exact color of the wire.
How to clean injector pump?
Before you get started on the injector pump, the day before you need to completely clean and degrease your engine. Washing it the day before will give the engine plenty of time to dry.
Why is my injector pump leaking?
The injector pump itself has a good reputation, and if you are experiencing leaking from around the injector pump it is most likely caused by broken O-rings. These O-rings are very inexpensive and will more than likely fix your issue.
Do you need to bend injection lines?
If you have steel injection lines, you will need to bend them to get them out of the way. Take care not to bend them too much, because you will reuse them and they will have to bend back to their original position. Once the lines are removed, you need to remove the locks on top of the valves.
Do you need to degrease a pump?
Everything needs to be degreased before you begin, so that you do not get any dirt or debris into the pump or delivery valves. When you are working, you need to keep your hands clean as well, it is a good idea to use disposable gloves.
