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Old 08-31-2006, 06:40 PM   #1
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Default Air intake temp

If I understand correctly, the stock IAT sensor on a NA is built into the airflow meter. Has anybody figured out the resistance scale for this sensor so I can use this instead of installing a GM sensor. I'm trying to leave everything under the hood as stock as possible so I can plug the stock ECU back in for emissions testing. I could just install the extra sensor and run another wire, but I'd prefer not to if I can get away with it.

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Old 08-31-2006, 06:54 PM   #2
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Check out the msefi forum. There is a post on there somewhere (I found it ages ago but I can't remember which section it was in) about the resistance of the factory Mazda temp sensors.

Try a search of 'Mazda and Temperature and Sensors'. It should come up.
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Old 09-01-2006, 02:35 PM   #3
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I searched there a few different ways and didn't find anything. Could I just figure it out with easytherm? I haven't tried it yet, but from what I've seen I just need 3 temp vs. resistance reading at points as far apart as possible?
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Old 09-01-2006, 07:58 PM   #4
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You'll have to figure it out with a pot of water heating on the stove, a multimeter and a decent thermometer. Then once you have your resistance readings for the different temps, you can use EasyTherm to do your temp tables for the MS.
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