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Home >> Jaguar >> 1996 >> XJS >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Idle Override Signal (4.0L)

Idle Override Signal (4.0L)

This input is derived from instrumentation system which, in addition to displaying vehicle speed, inhibits the idle air control valve at road speeds greater than 3 MPH.