right it would appear the problem has been fixed,after fixing the misfire under load with some new spark plugs,the car was running terribly when cold,bucking and misfiring and stinking of petrol,I finally managed to remove the uniair filter and clean it,to be fair considering the oil neglect it wasn't that bad,after reading someone else's post on this site with the same problem with a panda twin air I decided to try the same,he disconnected the front lambda to see if the car ran any better as he couldn't get a reading from the sensor,and his car idled ok once unplugged so he ended up replacing the sensor and the problem was cured,I'm pretty sure mine is fixed,the cold start this morning will confirm this,the only problem with unplugging it is it's right under the battery box and needs the battery and box removing to access the plug and obviously putting back to try it,the part number was ngk 90532 for the front lambda, thankyou so much to everyone on the site who has taken the time to give their advice, I will post pictures of the car once it's cleaned up,it's a little stunner and very high spec,thanks again
