Does the nozzle need cleaning?

The fuel nozzle needs cleaning. The following is the cleaning method:

1. Hang the washing machine on the front cover of the car;

2. Find the oil inlet pipe and oil return pipe of the engine;

3. Remove the connection point between the oil return pipe and the engine, select a suitable connector and plug the oil return pipe with a plug;

4. Connect the oil inlet pipe with the oil outlet pipe of the purifier;

5. Open the fuel tank cover, turn on the oil pump safety and stop the oil pump.

The working principle of the fuel injector is that when the electromagnetic coil is energized, the suction force is generated, the needle valve is sucked up, the nozzle hole is opened, and the fuel is ejected at a high speed through the annular gap between the axial needle of the needle valve head and the nozzle hole, forming a mist.

The function of choke coil is:

1, which is beneficial to full combustion;

2. Inject oil into the engine.