So a while a go, I started noticing my S was heating up, at first it seemed mainly while in traffic, and then I found out my air pump for the supercharger after cooler (I'm running a comptech S/C) was not working. Once that was fixed, the car seemed fine, and then started seeing the heat-ups again after a while, mostly after I stop and start the car again, but seemingly completely random. It goes around 3 more bars on the modifry ECT, and then it would go back down. I'm unsure as of what could cause it. My car had a coolant leak a while back, but it was bled and I DO have heat, but might try again if that could be likely. My car is a 2004 with comptech Supercharger and around 49,000 km on the ODO. Any ideas?