Question about 2003 Chevrolet Suburban 1500

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Replaced faulty ambiant temp sensor

Can anyone advise me on how to fix the outside temp sensor, ive replaced it and it still playing up, saying it was -17 when it was 15 outside. i disconnected the battery to see if it would reset itself but no luck, can anyone help..

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  • andy wright May 10, 2014

    my van is a vauxhall vivaro 2.0 sportive 2008

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These sensors are not supposed to be super accurate so, a couple of degrees out is prob reasonable.
You may have a higher resistance in that circuit which could give different readings so check and clean all connectors and plug fittings.
Roger

Posted on May 10, 2014

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Posted on Jan 02, 2017

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SOURCE: ambient sensor gauge stopped working correctly at the same time the AC quit

The ambient temp sensor is related to the AC function, if the HVAC system thinks the outside temp is too low, the AC will not be turned on. You probably have a defective temp. sensor. It is easy to change and relatively inexpensive. It is located on the underside of the top radiator support almost in the center (just to the drivers side of center).
The car dying at a stop light can probably be solved by cleaning the throttle body. Make sure that both the front and rear sides of the throttle body are cleaned. And also disconnect the battery during the cleaning process, this will reset the computer and allow it to relearn to the cleaned throttle body.
The compass issue is another separate issue and may just require a recalibration. I don't know what the procedure is but try Googling the subject.

Posted on Jul 25, 2012

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SOURCE: replaced a 03 monte outside temp guage sensor only reads -40 now

If there is nothing else wrong with the system you just need to drive it over 25mph for more than 2 minutes. If you slow down below 25mph then you will have to start over. I would recomend getting on the freeway. Don't go over 60mph though, that will make it reset also. If it still says -40 after you are sure you have met the time and speed criteria. Then there is still a problem in the system. Make sure the connector at the temp sensor is clean and the terminals are good.

Posted on Oct 13, 2009

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