Hi folks, I'm a total ASS, I couldn't find a mention of the CTS sensor in the HBOL (Ive since found it) so I looked on the net. What I found was a mention of a fiesta CTS sensor mounted on the thermostat housing and a picture of a CTS sensor off a Vauxhall which looked just like the sensor mounted on my thermostat housing. Based on this I tested the sensor on the thermostat housing and it was open circuit.(It should be, its the bloody fan switch)! I have since located the CTS sensor under the inlet manifold. It had a resistance of 65K when cold, bought a new one, it read 61K. I have fit the new one, although I dont think that is where my problem lies now. My next plan is to disconnect the ECU plug and meter the wiring through to the diagnostics plug. If I can get the FCR working I might have half a chance of finding the problem. I have had to abandon the Fiesta for now as the MOT is due on my Xantia. More sodding work to do. I'll get back onto the Fiesta by the weekend, weather permitting.
Cheers Folks,
Tony.