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Q:

what is the reason for the check engine light on? on 2001 Jaguar S-Type

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the check engine light just turned on today but the car feels great. what should i check?
(2) Answers
The Check Engine Light indicates the vehicle's computer has detected a failure in one or more components of the emission control system. You will need to retrieve the codes stored in the computer to troubleshoot the problem. More info here; http://repairpal.com/check-engine-light