Thanks for the reply Frank. I have tried disconnecting the idle control valve....in fact i have tried isolating everything I can see that is feeding information to the brain. I had convinced myself it was the engine coolant sensor until I removed it and it tested OK! I suppose the fault could be...
It's a 1996 1 litre and the engine light is on. Lots of symptoms, sometimes starts OK and runs for 5 minutes and then kangaroos. The cooling fan is coming on when it isn't hot. Latest trick is it starts OK and the revs pulse up and down at a constant throttle opening, as if you are constantly...