Hiya i have a 4.2 v8 xj8 on a 53 plate when you drive it the whole car seems to shake/vibrate reay badly feels as if your going to lose control, its had 4 new tyres on it, had it balanced no buckled wheels, tie rods ok, and wheel bearings are ok to it has been like it since i got the car 3 yrs ago and had a warranty over the past 4 months it has got worse and worse the local jag garage are not much help, some times it seems to lack power not sure if its related? when i took it to jags for this problem last year they reprog/reset the gearbox but still the fault is there does anyone have any ideas?

Thanks for you time and help
Lee

 

Hiya i have a 53 plate jag xj8 4.2 v8 it seems to vibrate/shake when im driving also does lack power somtimes its have new tyres, balance, tie rods ok wheel bearings also ok, do you have any ideas? also sometimes it does seem to lack power could this be related? my local jag dealer are not much help its been like it since i got it from them 3 yrs ago.

Thanks for your time and help
Lee