What are Fuel Injectors and what do they do?
Some people ask the question, what is a fuel injector? Fuel injectors send fuel into the internal parts of the internal combustion engine, pumping it in to atomize it. They are precise enough to deliver the exact amount of fuel needed for the engine to run properly. Before fuel injectors, carburetors were generally used to deliver fuel to the engine. Most modern fuel injection systems are designed for a certain type of gas or diesel fuel that is used in vehicles. The function for fuel injection systems can very, however, they generally share the task of supplying and optimizing fuel to the combustion process which help with power output, fuel efficiency, emissions and performance, reliability, and other important tasks within your vehicle.
When should I replace my Fuel Injector?
Fuel injector replacement should be considered if your engine is not running smoothly, you can use a diagnostic tool to find out if it is the fuel injectors, or have a dealership or mechanic let you know.
If your fuel injectors are not working properly and you do not replace them, you will likely have your engine running lean, which means it will not run smoothly and may be prone to misfires. You’ll lose power. On the flip side, it could run too rich and then you’d have similar problems but also have really poor fuel mileage.
All injectors are exact OEM replacement injectors, not similar or aftermarket substitutes. This guarantees form, fit and function.
All injectors are 100% tested to meet or exceed OEM specifications.
After popping the hood, the first thing you need to do is disconnect the main fuel line and any additional lines at the ends of the fuel rail. Unbolt or unscrew the fuel rail and pull it away from the injectors.
If you did not have a fuel rail in your way, you’ll need to remove the fuel line from each separate injector.
Now it is time to disconnect the fuel injectors. There is a plug at the top of each fuel injector, which connects it to a wiring harness.You should be able to use a flat screwdriver to pry the plug away. Hang onto it.
Carefully remove each fuel injector with a fuel injector puller, because you don’t want to knock anything loose and have it fall into the engine. It also makes the job very easy.
Make sure that nothing falls into the now vacated hole in the intake manifold. It’ll be a big problem if it does.
Now put the new injectors in place, lubricating the seals first.
Once the new injectors are in, restore the fuel line or fuel rail that you removed by reversing the steps above.
Start the engine and make sure it is running smoothly. If it is, you’re done.
Be gentle at just about every step along the way to make sure that you don’t damage any parts or drop anything into the intake manifold.
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