XJ-S Coupe (XJ27) V12-6.0L (1994)
Idle Speed/Throttle Actuator - Mechanical: Description and Operation
PURPOSE
Extra air valve provides additional air for cold starting.
Auxiliary Air Valve
CONSTRUCTION
Valve consists of a variable orifice, controlled by a temperature sensitive expansion element, to control idle during engine warm-up.
Auxiliary Air Valve
LOCATION
It is mounted at rear of left cylinder head, in coolant rail.