Bosch Port Fuel Injectors (PFI) have a robust design and are capable of using Ethanol fuel.The Bosch fuel injector has a return rate of 1 part per million, making Bosch the industry benchmark.Clogged or leaking fuel injectors can have a ripple effect on your vehicle, decrease performance and economy. When it's time to remove a faulty injector, Bosch offers dozens of models designed as OE stock replacements. Choose the fuel injectors recommended for your gasoline or diesel application.