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Air Injection System: Description

The air injection system is used during warm-up to improve performance and reduce emissions. The engine is equipped with fuel injection with feedback system (oxygen sensor), so air injection cannot be used while oxygen sensor is operating. System includes a thermal switch, check valve, air injection switching module, air switching valve, check valve, diverter valve, air rails and air pump.

Fig 1: Air Injection System (XJ6 III)
G36821Courtesy of JAGUAR CARS LTD..