Jaguar Repair Problems? Ask a Jaguar Repairs Expert.
I am sorry that you have not been helped yet. I just came online and saw your question
Is the check engine light on?
Did you do the proscribed Jaguar drive cycle for setting the monitors to readiness?
Have you check the O2 sensors for reading slow or lazy?
Is this a California emissions vehicle?
Please remember that I am not there and therefore rely on you to provide as much detail as possible and may need to ask for more information or clarification at times