Hi thought start another thread see get any new ideas off peopleHave same problem as previously by milanoberry i have changed spark plugs cleaned air filter has had new oil and oil filter run injector and engine cleanerthrough it and use only BP ultimate feul but still having the problemIt only at the start at low revs my car is de-catted and EML light is not on all time have had it plugged in and EML comes on for cat sensor dont know code off top my head.Any answers or things i could try be helpfulIs BP ultimate feul any good is there any simple tests i can do or is there a decent type r speacialist in warwickshire area i could go to as like get this sorted Many Thanks