^^Did you get your Glanza for (washington newcastle???) if so that car has had a missfire since it got imported lass year the guy who owned it befor you tryed everything he could to try and get rid of that missfire but he couldnt he change everything leads,plugs.dizzy.the lot and he never stoped it....Did he tell you it had this missfire befor you bought it? Like you say it could be the map sensor so give that ago dont spent anymore money on leads, plugs, ect you are wasting your time and money everything on that car ignition wise is new...