Quote:
Originally Posted by Klein32
i have an 87 supra turbo, and the temp sensor is acting strange, it bounces up and down depending on speed, and sometimes it doesn't act up at all. I have checked my coolant levels and there fine, the only times i have to add coolant is around oil changes. i have a new radiator and it never over heats. i am in some need of guidance. thanks
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Is when you change the oil the only time you check for coolant loss, or is something going on when you change the oil which causes you to lose coolant?
Dune is right, you may have or be working on a bhg. Do yourself a favor and run a Block Test to see if you've got CO in your coolant.