Originally Posted by
GTi-R23
Whipping the stat out and sticking it in boiling water to see if it opens and check the overall condition of it would be first on my list if I was trying to sort the prob.
Good tip that, however mine would still open in boiling water, but I think it was opening too early hence it couldn't get warm. As a new stat is only a few pounds from ford seems silly not to bang one on while its all apart!