Transmissions and Drivetrains
Check Engine Light
Jaguar XJ8

What does a Check engine light with a restricted performance message on a 1999 Jaguar XJ8 mean?

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Wiki User
January 05, 2014 2:22AM

It means that the computer has detected a fault code that needs

attention. Unfortunately, it isn't possible to guess what the

computer is trying to tell you until you connect a code reader.

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