Diesel Engine Fuel Injection Small Air-cooled Micro Tiller Generator Set 170F 173F 178F 186F 186FA Injector nozzles are designed to promote smooth engine operation and balanced fuel supply, helping to reduce fuel consumption. metal, high temperature resistance, wear resistance, impact resistance, no deformation, long-term durability and reliability. Clogged or poorly sealed injector nozzles, lack of elasticity, and entry of air will result in a vehicle that is likely to have poor fuel consumption, loss of power or misfire. If your fuel injectors are faulty, this can lead to catastrophic engine failure, and engine shock are one of them., Manufacturer: TTOPKMBC