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The fuel injectors are a very important part of a car.
The role of the fuel injectors is to supply the engine with fuel. The injector opens and closes many times per second to release pressurized fuel through a small nozzle at the tip of the injector. The fuel that is released should be that of a fine mist. When it is in such state it is known as atomization. The finer the mist the easier it burns.
Over time fuel injectors become clogged with fuel residues which are similar to varnish. This is due to the evaporation of fuel in the injector nozzle when the engine has been stopped.
You should remove your fuel injectors and have them serviced every 24 months or 40,000kms to keep your car in peak performance.
Some recommend and widely promoted using additives to do this but the only real way to clean your fuel injectors correctly is to remove them from the car and replace the serviceable parts. Plus there is no way any additive can remove the dirt & rust that gets caught in the fuel injector's filter basket.
The most certain and effective cleaning method is to remove the injectors from the vehicle for cleaning.
Here is where this video should guide you in servicing your fuel injectors.
Once removed from your car and the fuel rail, locate the original fuel injector part number on the side of the fuel injector. With this part number you can then process to order the correct service kit for your set of fuel injectors.
While waiting for the service kit, perform a ohms resistance test and pulse test for each fuel injector. This will tell us if any of the fuel injectors are faulty and not worth servicing. The only test you can not perform is a leak test. If you think you have a leaky fuel injector it is best to have your set of fuel injectors professionally serviced.
Once you have the correct service kit and figured out your set of fuel injectors can be serviced you will then require some basic tools which are:
- Tin of carby cleaner
- 1 Philips head screw driver
- 1 Flat blade screw driver
- Pair of pliers
- Hammer
- self tapper screw
- Old rag
- Few cotton buds
To start off we want to remove the pintle cap and bottom oring. Once removed clean the tip of the fuel injector which the carby cleaner. Do not spray the carby cleaner directly onto the fuel injector as this can melt the fuel injector. Only spray the carby clean onto a rag or cotton bud.
Once you have service the tip end move onto the filter. Remove the oring and then use the self tapper screw to pull out the filter basket. This is the hardest part of all. You need to wiggle the screw, pull on the injector and lever at the same time, with a bit of luck filter basket will come out.
Once you have the filter basket out, reinstall the new filter basket asap as you want to make sure no dirt gets down inside the fuel injector. Sit the new filter basket in until it sits flush then tap down gently with the hammer until the brass ring of the filter basket is sitting flush with the fuel injector top. Then install new top oring.
Once all done you can wipe down the fuel injector with the rag and some carby cleaner, remember do not spray it on the fuel injector or get it on the orings. This will melt the fuel injector body or swell the orings.
The focus is all about cleaning the end of the fuel injector where the small holes are as this is where the fuel comes out and to replace the filter basket which can be blocked with dirt.
This service will have the car back running well and should reduce fuel consumption as blocked or varnished fuel injectors use more fuel.
If you find you require a Professionally serviced set of the fuel injectors or a service kit to service your fuel injectors please drop us an email info@partsden.com
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