JAGUAR XJ8 CRUISE CONTROL

We Just Finished Installing Spark Plugs, And Ran A Dianostic Check, After The Car Would Not Start, As It Was Started And Stoped Within A...

When I Engage My Cruise Control The Engine Goes In To Safe Mode. Cant Figure Out What The Problem Is.

Cruise Control Will Not Engage With Switch In On Position, It Feels Monintaryly To Try To Set Then Cancels. Also After Driving Several...