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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Are these air temp readings correct?



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      12-20-2016, 11:04 PM   #1
ssshake
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Are these air temp readings correct?

I just checked my car out with INPA. I'm seeing 4 temp settings that are out of range. My car seems to perform fine and there's no error codes that I can see (new to INPA). Can anyone give advice?

This is "Tension Motor Temperature"

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This is coolant temperature. I was idling in the driveway but also it's -10C out because it's winter. Is the sensor messed up or is this a real value?

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For this one, the 'intake air temperature
' It's all over the place, <0C. >120C. Seems all over the map. When I sit there and watch it for a minute it seems to jump all over the place

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Last edited by ssshake; 12-20-2016 at 11:13 PM..
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      12-21-2016, 12:42 AM   #2
hassmaschine
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Spannung is voltage in this context. Those are raw sensor voltage values - looks like the cylinder head temp sensor has failed or is disconnected.
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      12-21-2016, 02:37 PM   #3
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thanks. Just googling today I dont see a cylinder head temp sensor. But instructions for an oil temp pressure switch and a coolant temp sensor. Are you referring to those or do you know of the part number perhaps?
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      12-21-2016, 06:24 PM   #4
hassmaschine
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Its the engine coolant temp sensor, its in the front of the head near the oil filter housing.
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      12-21-2016, 06:49 PM   #5
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Do you believe thats the cause for all three of these readings or does that just address the one the sounds most relevant?
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