Famous Jaguar Check Engine Light Restricted Performance Ideas. Do you think i should just reset it? Web my 2004 xj8 has a check engine light and performance restricted notice.
What is the model/year of your jaguar? Just pull off the engine cover and you will see it. I explained about advice on a forum about a failing battery could be the culprit and he agreed, he said a lot of these errors were down to voltage.
