I am having a slight problem my VR. The fans do not seem to turn themselves on after using the car when I park up. I usually have to turn the engine on and off twice for the fans to kick in to cool things down. Is this the fan switch or the temp sensor (blue) ? It is worrying because I don't want to warp anything in the engine with it sitting with 100C oil temp after a 30 min run and no fans running. I've read through some posts talking about the blue temp sensor becoming porous after a while ? Is this right and will it cause my problem ? Thanks as always