the check engine light just turned on today but the car feels great. what should i check?
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2001 Jaguar S-Type Question: what is the reason for the check engine light on?
Answer #1fernando May 08, 2010, 12:51Master
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
Answer #2Visitor, December 17, 2010, 22:26
Probably a CO2 Sensor!