TwinTurbo.NET: Nissan 300ZX forum - I should have been more clear:
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Subject I should have been more clear:
     
Posted by tian2bing on February 10, 2023 at 12:06 PM
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In Reply To Removed the thermostat, or replaced it? posted by LitlElvis on February 10, 2023 at 11:05 AM
     
Message I removed the thermostat entirely just for the sake of eliminating possibilities.

Nissan datascan shows that the coolant temp is 185F when the heater is lukewarm ( I am idling)

:If you removed it entirely, that's not good... The engine needs the thermostat to reach operating temperature quickly and get the ECU into closed loop to maximize efficiency. This would also explain why the heater is lukewarm.

     
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