Cooling fan engagement temp
I've got a question regarding the cooling fan on my car I was hoping someone could answer. The car is a '90 with a 90-93 MSPNP and a '95 motor. As I understand it the '90-93 fans were controlled by a thermoswitch and the '94+ fans were controlled by the ECU.
So... I guess the question is, what the hell is controlling my fan and is there anyway to change the temperature that it comes on? It currently comes on at 180 degrees, is that normal? With the temperatures most people are running their cars (190-200, from what I've seen), the fan would be running constantly which seems unnecessary. Is there a way to change the engaugement temperature in megasquirt? I haven't been able to find it. |
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Awesome, thank you, never would have figured that out by myself.
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For temperatures you simply enter the degrees F +40, so in the above example Output 2 will turn on when the coolant temp is above 200 F (240 - 40F). The output will stay on until the coolant goes below 195F as it has a hysterisis of 5 (5F) There is no upper limit set so it wont turn off when above the setpoint.
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94 factory ecu turns the first fan on at 206-207F
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Originally Posted by hustler
(Post 388736)
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Originally Posted by paul
(Post 388747)
94 factory ecu turns the first fan on at 206-207F
I have stock water routing and big Koyo. |
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