Temperature sensor reading way off.

tb420 · 04-21-2015, 11:23 AM

2011 x3 3.5i
The temperature readout on the dash has been reading 20 or 25 degrees too high. I assume the car gets this reading from the intake temperature and the probe is faulty. Now I have an "emission" light on the dash too. I'm guessing they are related since it's getting more O2 than it thinks. Anyone have any thoughts on this? I'm looking for a new code reader (my old peake reader does not work on this one), so I can't retrieve the code(s) yet.
Thanks

The X Men · 04-21-2015, 11:52 AM

I doubt the outside temp reading is used for engine control.

Barbera335 · 04-21-2015, 10:45 PM

It is absolutely used for engine control and you will get a check engine light if it fails or has an issue.

04-21-2015, 11:23 AM	#1
tb420 Registered 0 Rep 4 Posts Drives: 2011 X3 3.5i Join Date: Apr 2015 Location: Durham, North Carolina, USA iTrader: (0)	Temperature sensor reading way off. 2011 x3 3.5i The temperature readout on the dash has been reading 20 or 25 degrees too high. I assume the car gets this reading from the intake temperature and the probe is faulty. Now I have an "emission" light on the dash too. I'm guessing they are related since it's getting more O2 than it thinks. Anyone have any thoughts on this? I'm looking for a new code reader (my old peake reader does not work on this one), so I can't retrieve the code(s) yet. Thanks
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04-21-2015, 11:52 AM	#2
The X Men Colonel 99 Rep 2,323 Posts Drives: 2013 X3 35i Join Date: Mar 2012 Location: MA iTrader: (0)	I doubt the outside temp reading is used for engine control.
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04-21-2015, 10:45 PM	#3
Barbera335 Captain 169 Rep 660 Posts Drives: F25 Join Date: Jul 2008 Location: socal iTrader: (0)	It is absolutely used for engine control and you will get a check engine light if it fails or has an issue.
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