How to Clean a Fuel Injector

In common rail fuel system, the fuel injector is very important. If there is any wrong, even a small problem, in the injector can cause the failure of engine. Therefore, maintain your injector from time to time is necessary. Cleaning is one of important steps. How to do it? In this blog, we will show you.

Signs Your Fuel Injector Requires Cleaning

How do you know when to clean your fuel injector? If you find these common symptoms like rough idle, sluggish acceleration, decreased fuel mileage, and even engine misfires, it means it’s time to clean.

What Tool Do You Need to Clean Fuel Injector

For cleaning a fuel injector, you will require a fuel injector cleaning kit and a can of fuel injector cleaner. They can be found at most auto parts stores. Read and Follow the instructions included with the kit and the cleaner for the best outcome.

6 Steps to Clean a Fuel Injector

1. Prepare the ultrasonic cleaner and cleaning fluid.

2. Clean the whole fuel injector: put the whole injector in the ultrasonic cleaner, set the cleaning time to 5 minutes, wait for it until finish.

3. Disassembling the fuel injector: disassemble each spare part of the fuel injector and place them neatly on a tray.

4. Clean the injector spare parts: put all the injector spare part in the ultrasonic cleaner which with cleaning fluid, set the cleaning time to 5 minutes, wait for it until finish.

3. Check the diesel injector parts: testing each injector spare part’s surface for wear and its performance.

4. Replace injector part: replace the damaged spare part after finding out the damaged one during the checking.

5. Install the fuel injector: install the injector after replace the damaged spare part.

6. Test the injector’s performance after installing it to confirm it can work normally. 

Preventing future clogs

To protect your fuel injectors and keep them working for a long life, use the best quality fuel, and check the fuel injector every few months. It will save you a lot of time and money for regular maintenance.

Follow these easy steps to clean your fuel injector and keep your vehicle purring!