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Old 05-30-2013, 01:19 PM   #1
EHuntress
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1999 SL2
Default Part No for Ambient outside air temp sensor

While taking apart the air intake I discovered a sensor.

I have no way to know if the sensor is still good.

I'd like to replace it.

Does anyone know the part number?

Advance Auto does not carry it. I went on Ebay and all I see are the O2 sensors for the engine.

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Old 05-30-2013, 02:02 PM   #2
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1996 SW2
2003 VUE 2.2L
Default Re: Part No for Ambient outside air temp sensor

This sensor is the same as the ECTS and the automatic transmission temp sensor.

BWD Part No. WT5029
http://shop.advanceautoparts.com/web...ir+temperature



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Old 05-30-2013, 04:04 PM   #3
alordofchaos
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1998 SL2
1997 SL2
Default Re: Part No for Ambient outside air temp sensor

They rarely fail, since they aren't exposed to anything besides... well, air, maybe a little water

You can test same as the ECTS, or if you know the ambient temp with a cold engine, and if you have a OBDII reader that can read live data (hopefully I got the terms right), it will show the intake are temp. If it's close to ambient temp, you know it's working.

IIRC, intake air temp and ECTS reading on a cold engine should be within 5F degrees

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