Hi I'm looking for some advice on my Freelander this is my first and don't know enough about them the problem I am experiencing is that when I'm driving along its drive ok but I try to use more of the gear I get I slight rattling noise from underneath and then its as if I've gone down a gear after going fast and I get a julting feeling then its ok again the engine management light comes on but once I take the key out and once if put it back in its gibe again untill it happens again I've been told by the guy I brought it from he believes it a lambda sensor but not sure if any one can help or give me advice it would be appreciated thanks in advance

welcome mate, post up in the Freelander section for some help!!

Will do thanks