What are the causes of fuel injector failure?

[DerekAnn]

The causes of fuel injector failure are: 1. Insufficient fuel; 2. Damaged fuel pump; 3. Faulty high-pressure fuel pump; 4. Clogged fuel injector; 5. Poor sealing between the needle valve and needle valve body; 6. Insufficient spring force or broken spring in the piston; 7. Piston wear; 8. Air in the fuel line. The solutions for fuel injector failure are: 1. Add fuel; 2. Inspect and repair the fuel pump and high-pressure fuel pump; 3. Clean and unclog the fuel injector; 4. Remove air from the fuel line; 5. Replace the piston spring; 6. Replace the piston; 7. Remove air from the fuel line. The classifications of fuel injectors include diesel injectors, gasoline injectors, and natural gas injectors.