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Engine Fuel (Y22SE 2.2L): General Description

Fig 1: Identifying Engine Fuel System
G02790576Courtesy of ISUZU MOTOR CO.

When working on the fuel system, there are several things to keep in mind:

All gasoline engines are designed to use only unleaded gasoline. Unleaded gasoline must be used for proper emission control system operation.

Its use will also minimize spark plug fouling and extend engine Oil life. Using leaded gasoline can damage the emission control system and could result in loss of emission warranty coverage.

All cars are equipped with an Evaporative Emission Control System. The purpose of the system is to minimize the escape of fuel vapors to the atmosphere.