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The Terminator
Engine/Tuning
Help troubleshooting radiator fan not coming on while driving
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<blockquote data-quote="TheFleshRocket" data-source="post: 17035582" data-attributes="member: 48535"><p>Thanks for the explanation about the low-speed fan signal. </p><p></p><p>I have an SCT Livewire but the car has a custom tune that I can't edit. But.. I guess I could adjust a canned tune to have really low fan temps, load that in the car, and just turn on the key to see if the fan kicks on. </p><p></p><p>I drove the Cobra this morning and the fan did not turn on (at least not high speed) during regular driving. (Fortunately I avoided traffic enough that coolant temp never got up to 200F.) I also turned on the AC and that had no effect on the fan. I could hear the compressor cycling, so apparently it's not dead.</p><p></p><p>Any idea where else I should look, assuming that the fan doesn't turn on after I load the tune with very low fan temps?</p></blockquote><p></p>
[QUOTE="TheFleshRocket, post: 17035582, member: 48535"] Thanks for the explanation about the low-speed fan signal. I have an SCT Livewire but the car has a custom tune that I can't edit. But.. I guess I could adjust a canned tune to have really low fan temps, load that in the car, and just turn on the key to see if the fan kicks on. I drove the Cobra this morning and the fan did not turn on (at least not high speed) during regular driving. (Fortunately I avoided traffic enough that coolant temp never got up to 200F.) I also turned on the AC and that had no effect on the fan. I could hear the compressor cycling, so apparently it's not dead. Any idea where else I should look, assuming that the fan doesn't turn on after I load the tune with very low fan temps? [/QUOTE]
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Help troubleshooting radiator fan not coming on while driving
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