I don't know any LPG people in that area but the people I usually turn to charge around £60-70 for a 'front end' service. Basically, as far as I can tell, they hook up a laptop to the LPG system and tune some settings. They will probably also recommend any changes you need to make to the...

I've been careful to bleed the air out of the system at the radiator bleed plug when topping up and when refilling after the explosions I've described.

This is what really mystifies me. I've tried two new expansion caps and I'm on to my third radiator bleed plug. It's possible the first bleed plug was old, overtightened and weak. The second was brand new. In both cases the pressure blew the top off the bleed plug, leaving the threaded part...

Being an ordinary motorist with a slight mechanical bent, I've never heard of radiator valves. Where can I find more info? If the water passages are blocked up is cleaning them going to be feasible? I don't know much about them but I imagined they would be narrow, bendy and generally...

I have a problem which I can't find anybody else having had. I have overheating problems with the vehicle and proably head gasket failings. Twice now, when the engine was overheating, the plastic radiator bleed plug has blown apart (presumably under massive pressure) and large amounts of coolant...