Temp Sensor Question
#1
Thread Starter
Super Member
Joined: Aug 2018
Posts: 681
Likes: 158
From: Seattle, WA
14 E63s AMG, 03 E55 AMG, 13 GL63 AMG, 95 M3
Temp Sensor Question
Do our cars have two coolant temp sensors? Mine is a 2014 S trim.
I was monitoring IATs in the heat we're getting and noticed my coolant temp via OBD readout on my scan tool was staying around 106-107 deg C, while the dash display and gauge show closer to 90 deg C. That's a 25 degree difference in fahrenheit... I doubt many of you monitor scan tools on a regular basis, but I'd be curious if anyone else has seen the same thing?
I was monitoring IATs in the heat we're getting and noticed my coolant temp via OBD readout on my scan tool was staying around 106-107 deg C, while the dash display and gauge show closer to 90 deg C. That's a 25 degree difference in fahrenheit... I doubt many of you monitor scan tools on a regular basis, but I'd be curious if anyone else has seen the same thing?
#2
Out Of Control!!
Joined: Jun 2004
Posts: 12,139
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
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GinDistiller (08-02-2024)
#3
Thread Starter
Super Member
Joined: Aug 2018
Posts: 681
Likes: 158
From: Seattle, WA
14 E63s AMG, 03 E55 AMG, 13 GL63 AMG, 95 M3
Oh wow, thanks @PeterUbers , apparently my searching skills were exceptionally lacking today and typical parts sites just list 'temp sensor' as if there is only one. I'll grab a drink and read through that technical second thread you listed
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PeterUbers (08-03-2024)