Lack of power at times in vr4 - pressure tested system and lost 0.5 bar of pressure overnight - when my hubby drives it the car throws coolant out - but since i have been driving it i have not lost any coolant or oil - temperature does not go above normal - boys in the garage said its definately headgasket - but surley it would be overheating and i would be loosing either oil or water? No creamy texture in oil cap - no leaks visable - its got the usual tapping noise from the engine that the prefacelift has. My main prob is it runs out of mot in september and i don't know whether to bother putting it through till i know what is causing it. It has been plugged onto diagnostic machine and no stored faults - its a real puzzler. I was advised to change the pressure cap on the radiator to a 1.3 bar instead of the standard 0.9 bar. Has anyone had a similar problem? I love this vr4 - its got the full leather and is a right stunner - its too good to end up as a doner car - but all the quotes i have had for headgasket are ridiculous and as i am not fully convinced that it is head gasket am reluctant to spend the money - i have heared of stuff to seal headgaskets - you add it to the system then build up pressure - but has anyone used this on a vr4 engine? As we are in sheepland wales its very hard to find anyone thats even heared of a vr4 never mind and experience of repairs - please help a damsel in distress that might end up loosing my vr4 on the 18th september!!!