Thread: Fan temps
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Old 12-31-2012, 08:10 PM   #20 (permalink)
Sh0velMan
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You may just have oil that doesn't heat quickly or your thermostatic plate is faulty.

Also those fan settings look factory. I set mine to be 100% by 180 in summer and 190 in winter with next lowest being %50 at 180.

The ECU interpolates between the values in a linear manner with hysteresis.

I should also mention that the ECU doesn't switch fully to the warm engine fuel values until the engine oil reaches around 180 f (90c I believe is the actual value) and to my knowledge power loss above 190 is just a symptom rather than an ECU commanded reaction (until limp home is triggered). Timing is controlled by the knock sensor exclusively.




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