I have a problem with my Freelander.In the beginning did not work very well and had an error P 0306 and P0300 misfire cylinder 1 i general misfire. subsequently learned that the head gasket blows the water system.I changed both trimmings and then worked as he 4,5 or 6 cylinders.permanent work only 2,4,5 and 6 cylinder, cylinder 1 works more often than 3 , but 5 working fine.have a nice spark to the cylinders, good compression and fuel, but do not want to start working properly. please help me and tell me where wrong. Thank you