Tooter manifold / Corolla TB / DC Header / etc....

[3cyltrbo]

Originally Posted by CTScott

Based on Jason's expertise, I would do the thermostat first. As a quick and dirty test today, drive it and see if the green coolant light goes off. If it stays on and green, then you are in "cold start" mode. If it goes out, then the thermostat is likely not the issue.

Green coolant light???

um????

I think I have a blue???? light when the engine is cold, but it goes out almost instantly in the summer, and only stays on briefly in the fall and spring.

I actually know the exact water temps because I've been driving around staring at my Scan Guage. ............................???