How To Clean Fuel Injectors?

A car’s gas mileage will be directly affected by how dirty and clogged up the fuel injectors are. Therefore, in order to make effective usage of the fuel and reduce emissions it is imperative to get the injectors cleaned up periodically. One can either go to an auto mechanic after every 30,000 miles to get the injectors cleaned or they could do it themselves.

It is advisable to take necessary steps in order to prolong the life of the engine and maintain a good mileage. One should always buy good quality petrol. The fuel filter in a car should be changed at least once a year.

Even after taking preventive measures, the fuel injectors have to be cleaned. Before undertaking a do-it-yourself project one should buy a fuel injector cleaning kit, and a long screw driver. This cleaning kit can either be bought online or from any auto store.

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Given below are the steps to be followed while cleaning the fuel injectors:

  1. The first step is to turn off the fuel pump and disconnect the fuel injectors and pressure regulator from the fuel pump.
  2. Attach a U-tube to the fuel pump so that the fuel may come back immediately to the fuel pump.
  3. After making sure you have completed all the above mentioned steps properly connect the fuel injector cleaning kit to the fuel port on the fuel rails. Read the instructions that came with the cleaning kit so that any possible mistakes can be avoided.
  4. Take off the cap from the fuel pump in order to prevent excessive pressure from building up. If excessive pressure builds up it could lead to combustion as the cleaner is inflammable.
  5. Turn off the fuel pump.
  6. Start the car. Remember not to start the car before the fuel pump is turned off.
  7. Make sure you have your vehicle’s manual before you start with this process. If you don’t have one, you could easily get it online. Open the valve on the cleaning kit while making sure the reading for pressure doesn’t go beyond the one mentioned in your car’s manual.
  8. The engine will stop on its own once the cleaning solvent is completely used up.
  9. Now, put back the cap on the fuel tank and reset it.
  10. Reconnect the fuel injectors and pressure regulator to the fuel tank.
  11. Once you’ve made sure that everything is back in its original place take the car for a drive. A fifteen minute drive would be enough to gauge whether the injectors have become unclogged and clean or not. If your car makes abnormal noises take it to a mechanic.