Hi all, I thought this would be a good place to start for figuring out this problem. (2001 Celica)
So basically, my Celica is completely fine apart from when I go on the highway, my temp gauge will shoot up to max, then come back down to half when I slow down. I figured this is odd because its about -5C out so it's not exactly hot, and didn't happen when i was stuck in traffic either. Only happens above 65/70mph. ECT sensor?
Additionally, if I shut it off when the temperature is "high" it REALLY does not want to start. Takes 10-15 tries and pushing the car lol. Could these problems be linked? It starts fine when I let it sit for a bit.
Any insight would definitely help, and sorry if this is posted in the wrong section i'm new