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  1. XJ8 / XJR (X308) 1997 - 2003
    I am the owner of a 1999 Jaguar Xjr. I have been trying to fix the title mentioned failsafe Engine mode for a while to no avail. Firstly, I swapped the throttle body, tested the voltage of each of the three position sensors attached to the throttle body. The voltage was normal. Next I swapped...
  2. XJ8 / XJR (X308) 1997 - 2003
    Hi I have a 2001 XJ8 - 3.2litre A few months ago my car went into failsafe mode with a warning saying gearbox failure After stopping the car and leavving it for 5 mins I started up and drove home normally with no warning light on However this happened again last week on way home Again...
  3. XJ8 / XJR (X308) 1997 - 2003
    Hi! For some time I have observed the fault code 'Failsafe engine mode'. I have also noticed that the cruise control isn't working and actually immediately triggers this fault. Should check the brake pedal switch, but haven't worked up the nerve to try and get it out for proofing. The other...
1-3 of 3 Results