IAT Sensor used for outside temp gauge - Ford Powerstroke Diesel Forum
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Old 04-17-2013, 05:30 PM
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IAT Sensor used for outside temp gauge

So my IAT is hanging out by the BHAF not being used. I just hooked up my new edge evolution and can read the IAT's, so I thought that if I could extend the wiring I could move the sensor to a location where I could get a more stable reading. Currently it probably reads accurate when I'm moving but once I slow down the temp rises fairly quickly due to under hood temps.

Any suggestions?

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Old 04-17-2013, 06:45 PM
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I feel like the ECM might use the data from that sensor in some way that would make it bad to have it read so much colder all the time.
Really I have no idea though.
Bump because I'm curious now.
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Old 04-17-2013, 06:52 PM
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You don't have an overhead temp display?
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Old 04-17-2013, 06:59 PM
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Quote:
Originally Posted by jesilvas View Post
You don't have an overhead temp display?
His truck must be an XLT like mine.... I have no idea what the temp is either
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Old 04-17-2013, 07:05 PM
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Correct!

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Old 04-17-2013, 07:56 PM
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Stick,
Google it and our IAT is used by the ECM to control the EBV and high idle at colder temperatures.
If you've deleted the EBPV than I would so go for it and do the mod. But if your EBPV is still intact (like mine is) I would leave the IAT sensor where it is.
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Old 04-17-2013, 07:59 PM
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Double post
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Old 04-18-2013, 03:50 AM
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I was thinking of moving mine as well,cause i have a scan gauge. Living in florida means I dont have to worry about the cold
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Old 04-23-2013, 10:19 AM
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Guys, the IAT sensor is meant to measure outside air temps. In the stock configuration it is located at the air filter where lots of outside air is flowing. I have a scangauge and a ford AIS and the IAT is spot on with outside air temp as long as I'm moving.

Extend the wiring and move the sensor out front, or put in the AIS, either way, that sensor should be exposed to cold outside air most of the time.
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