We are getting there.
New air temp sensors fitted.
Went to Wickes yesterday was idling high circa 2000 revs, drove around for 10 mins and suddenly we were idling at 900 revs pulling smoothly, new bovs gave me full boost again !!
Eventually got to Wickes and we were back to 2000 revs. The throttle doesn't appear to know where it is, you push the pedal down and nothing nothing then full acceleration. I was upto 4000 revs to pull out of a busy junction. A bit like the 3200 when that fails.
Limped up to the garage i use, he is a Ford man and the ignition set up is very similar to a Cosworth.
Tested the exhaust gases and the readings were as expected so O2 sensors are ok. Even whilst in the garage being tested the car would go from a steady 900revs up to 2000 for no reason.
He recommended changing the water temp sensors as they arent the best. We will then look at setting up the TPS correctly, smoke testing it and reading the codes generated by the CEL. He said he had loads of old diagnostic tools from 20 years ago and he should have one that fits.
Things to look at / change.
The absolute pressure sensors are available and not very expensive, they appear to be the same as a ford escort.
The TPS is not, it is a Weber PF10 and they no longer make them, Webcon didnt appear to have a replacement...
Will report back