simonh

i have a 2001 XJ8 sport the engine management light has come on the fault says its missing on 2 cylinders i have changed the coil plugs for these cylinders and done a compression test which was ok (a little bit low on 1 but not by much)it has been into the main dealer twice and they have happily taken 1600 off me and did plenty of tests but cant find the problem i will try to find the list they have done and post it with this later has anyone any ideas what the problem may be?