reaching

Hi, This happened before and was rectified with a new thermostat, but about a month after the same thing is happening: Temperature gauge never quite gets to 90, will fall back to 0, then up again, then down... Seems a bit strange for the thermostat to fail twice in quick succession. Is...

Before i carried out work on my ibiza (before christmas) the coolant would reach the middle which i guess is 90° pretty sharpish nearly before my oil would show a mfa reading (50°). These days however i can drive 20 miles without the needle reaching the middle, the oil will happily show 78° on a...