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Old 10-08-2019, 02:44 PM   #1
VolvoLatAm
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Default Digital engine temp gauge? Volvo 240

I am looking to get a more precise digital reading of either oil temp or coolant temp...Are there any options for this...coolant won't be accurate just taking temperature on a section of the hose...
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Old 10-08-2019, 04:17 PM   #2
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If there isn't a purpose-made accessory already being marketed to this small community, you could derive the temp from the engine coolant temperature (ECT) sensor with reasonable accuracy by monitoring the voltage at ECU pin 13. You could use the chart below to derive temperature from voltage, or make an Arduino project to give it to you in Celcius or Fahrenheit.

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Old 10-08-2019, 05:07 PM   #3
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https://www.auberins.com/index.php?m...=index&cPath=5
I'd run one of their sensors or a modern Bosch sensor for the value you want to measure.

Or run something aftermarket EMS and run any sensor you want. I'm planning on ditching most of the analog turbo gauges when I make the switch to aftermarket EMS. Set some triggers to warn for deviation of expected values and when tuning/whatever display it on phone..
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Old 10-08-2019, 06:00 PM   #4
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Quote:
Originally Posted by VolvoLatAm View Post
I am looking to get a more precise digital reading of either oil temp or coolant temp...Are there any options for this...coolant won't be accurate just taking temperature on a section of the hose...
Are you asking about a dash mounted gauge or simply a digital reading of temp as with a hand held digital laser temp gauge.

https://www.ebay.com/itm/Temperature...35c4d14179d571
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Old 10-15-2019, 03:37 AM   #5
VolvoLatAm
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Quote:
Originally Posted by cleanflametrap View Post
If there isn't a purpose-made accessory already being marketed to this small community, you could derive the temp from the engine coolant temperature (ECT) sensor with reasonable accuracy by monitoring the voltage at ECU pin 13. You could use the chart below to derive temperature from voltage, or make an Arduino project to give it to you in Celcius or Fahrenheit.

It seems like there is no aftermarket but there is high demand for this...
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Old 10-15-2019, 04:23 AM   #6
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Quote:
Originally Posted by JW240 View Post
https://www.auberins.com/index.php?m...=index&cPath=5
I'd run one of their sensors or a modern Bosch sensor for the value you want to measure.

Or run something aftermarket EMS and run any sensor you want. I'm planning on ditching most of the analog turbo gauges when I make the switch to aftermarket EMS. Set some triggers to warn for deviation of expected values and when tuning/whatever display it on phone..
I have plan to use AEM CanBus gauge with Maxxecu. See how it goes.
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