Originally Posted by
DJMST
It's something to do with the connection down at the front of the symposer pipe,but for the life of me can't remember what the name of the bit is,wots ur username on focusstoc
Could try a map sensor, had a similar fault with an ST a couple of years ago, was cured by fitting new map sensor.
http://j-w-racing.co.uk/product.php/...e62e2301197e64
Those gauges don't actually read directly from individual temp/map sensors, their readings are calculated via other sensors/data in the ECU and the information goes to the gauges via CAN.
location of map sensor
http://www.team-focus-st.net/TeamST/...echnik/map.jpg