How to disassemble Mazda 3-star fuel injector?

1. First, remove the engine cover and intake pipe.

2. Secondly, unplug the power plugs of the four 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.

3. Finally, fix the bracket of the fuel nozzle assembly with two screws. Unscrew the left and right screws of the fuel nozzle assembly, remove the assembly and take out the fuel nozzle.