IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

07 IS250 temperature fluctuation - thermostat

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Old 01-02-15, 10:09 AM
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Monique023
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Default 07 IS250 temperature fluctuation - thermostat

My car engine temperature suddenly starts to raise to the red zone and suddenly goes back down and 20 seconds it raises up again but never reaches to the red zone.

Coolant was a bit low but is now good, fans work, my a/c is not working am guessing it's a burn fuse. I was wondering if this is a thermostat issue. Is is recommended to eliminate the thermostat or replace?
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