How to install Toyota Corolla injector?

Pacific Auto Network 1, remove the engine cover first. 2. Remove the air inlet pipe. 3. Unplug the power plugs of the four fuel injectors, and press the clip on the interface to unplug them. Be careful not to use brute force, and unplug the throttle and idle motor at the same time. 4. The bracket of the fuel injector assembly is fixed with two screws, and the left and right screws of the fuel injector assembly are unscrewed. 5. Remove the assembly and take out the fuel injector.

Automobile fuel nozzle is a very important part, which injects fuel into the engine cylinder and makes it atomize and burn. This is power. However, the fuel nozzle has high requirements on the cleanliness of fuel. If the fuel is poor and contains impurities, it will block the nozzle and damage the nozzle even if it is used for a long time. Damage to fuel nozzle will lead to engine performance degradation and need to be replaced in time. How to remove the choke? The following is a specific illustration of nozzle disassembly. Let's have a look.

Nozzle disassembly drawing

1. Remove the engine hood first.

2. Remove the air inlet pipe.

3. Unplug the power plugs of the four fuel injectors, and press the clip on the interface to unplug them. Be careful not to use brute force, and unplug the throttle and idle motor at the same time.

4. The bracket of the fuel injector assembly is fixed with two screws, and the left and right screws of the fuel injector assembly are unscrewed.

5. Remove the assembly and take out the fuel injector.

Dismantle the fuel injector: apply voltage to unload the fuel rail, remove the fuel injector, clean the carbon deposit at the inlet and outlet of the fuel injector with carburetor cleaner, and then apply 12V voltage to the fuel injector. Connect the thin tube of carburetor cleaner to the inlet of the fuel injector. If it is too thin, it can be wrapped with vinyl cloth to thicken it, and one person can hold it with both hands to ensure that the carburetor cleaner and the injector inlet do not leak oil. Another person will touch the power supply of 12V to make the cleaner spray intermittently until the fuel injector sprays oil mist.

Steps for removing the fuel injector: Remove the rubber sealing ring for installing the fuel injector, which cannot be damaged by aging. The oil mist sprayed by the unwashed injector is like rain, and the oil mist sprayed by the washed injector is like fog. After installing the injector, observe whether the upper and lower sealing rings of the injector leak oil, and no gasoline can leak.