My temperature gauge always reads very low. It barely moves after not being run for days. It may move it's own width, but that about all. Where is the sensor on a 2004 MX5?

Noise seems to be road not wind. Insulation or undercoating or tires? Noise changes volumn depending on road surface.

As you come off the gas on shifts there is a loud discharge, "woosh" ...sound like pressure this pretty loud woosh normal for this Mazda Speed MX 5?