Sounds like your having a similar problem to me mate maybe that's what the problem is with mine? When I bought the car the engine management light was on however the guy told me it was because it had a full custom exhaust on and the sensor was disconnected ?? So maybe I've bought the car with this problem ? Anyhow the car was fine when I bought it but 2 days driving it and this? There's a rabbit of but cant wait to get it fixed and get driving it again. Thanks for your reply also.