My Jaguar XKR 2001 has the old ACC cruse control that has stopped working after it going to two repairer's it seems to be unrepairable. So I contacted Jaguar Land Rover Classic and Jaguar do a up grade unit with a fitting kit for the XK8 and the XKR has any one fitted one and if so did the car have ...

Hi my first post I have just acquired a Jaguar Mk2 S type 3.4 that has some problems - most I have got over. One problem I have is that the car will ping ( knock) on acceleration over 2500 RPM. Has any one had the same problem if so how did you get over it? Any help would be appreciated