jaguar Workshop Repair Guides

Jaguar Workshop Service and Repair Manuals

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Overrun Valve <--> [Deceleration Valve]|Locations|Page 1879 > < Overrun Valve <--> [Deceleration Valve]|Locations

XJ-6 L6-3.6L (1989)

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Overrun Valve: Description and Operation

Idle Air Components

An overrun valve is fitted to intake manifold under idle air valve.  At high RPM, when throttle is closed, overrun valve opens and supplies extra air to
engine, causing lean mixture.

Overrun Valve <--> [Deceleration Valve]|Locations|Page 1879 > < Overrun Valve <--> [Deceleration Valve]|Locations