Hello, I am gradually trudging my way through all of the faults with this cursed car. Latest issue - since I have had the car, heater doesn't blow hot any, only luke warm at best. Also noticed bottom hose is cold sometimes even after a long drive... is this normal or should the bottom hose always be hot, even after a long drive? Car has had new coolant, new thermostat housing, new coolant temp sensor, full service the lot. sometimes when sat in traffic, the car will start running lumpy, fan will come on and anti pollution fault comes on.. car then loses power, but once restarted is fine again. any thoughts before I set light to it would be appreciated.