normal engine temperature - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

notout86 · 10-02-2016, 12:36 AM

I know the thermostat is fully open at 95 degrees C, but what temperature shows via the OBII plug?.

Also, on a day with temperature around 20 degrees C, how many km does it take to get up to normal temp.?

Ultramaroon · 10-02-2016, 12:47 AM

I don't understand your first question. I don't have an answer for your second; five to seven minutes if you're not abusing it.

humfrz · 10-02-2016, 01:37 AM

My FR-S's temp gauge levels out in about 3 miles.

humfrz

Ultramaroon · 10-02-2016, 02:15 AM

Quote:

Originally Posted by humfrz

My FR-S's temp gauge levels out in about 3 miles.

So, that's like 20 minutes?

humfrz · 10-02-2016, 02:36 AM

Quote:

Originally Posted by Ultramaroon

So, that's like 20 minutes?

Well, yes, that does include waiting till the granddaughters buckle up, going 20 mph past 2 school zones, opening car door for granddaughters, waiting till they go through the school gate, slowly driving away from the school, passing the two 20 mph school zones again ...... yep, about 20 minutes on a good day (when I can hit all the lights green) ......

humfrz

Ultramaroon · 10-02-2016, 02:41 AM

Quote:

Originally Posted by humfrz

Well, yes, that does include waiting till the granddaughters buckle up, going 20 mph past 2 school zones, opening car door for granddaughters, waiting till they go through the school gate, slowly driving away from the school, passing the two 20 mph school zones again ...... yep, about 20 minutes on a good day (when I can hit all the lights green) ......

But you leave the blinker on just in case, right?

humfrz · 10-02-2016, 02:46 AM

Quote:

Originally Posted by Ultramaroon

But you leave the blinker on just in case, right?

Well, of course ......I will be turning that way ...... sometime ......

humfrz

Ultramaroon · 10-02-2016, 02:55 AM

Notout, we haven't forgotten about you. Get back to us.

notout86 · 10-02-2016, 04:37 AM

Quote:

Originally Posted by Ultramaroon

I don't understand your first question. I don't have an answer for your second; five to seven minutes if you're not abusing it.

Sorry I was vague.
I started by stating the temp at which the thermostat opens fully is 95 because I assume the engine itself may be different. If an analyser is plugged into the OBDII plug a sensor somewhere in the engine sends a signal for temperature... that's what I wanted to know.

For time or distance to operating temp I should have stated on an average sort of day around 20 degrees C and in suburban driving around 60 kmph.

My previous car warmed up in half the time/distance under the above conditions and I wondered whether my '86 is typical.

humfrz · 10-02-2016, 02:23 PM

So, @notout86 how long or how far do you travel before your car's temperature gauge reaches "normal" temperature ... ??

Yes, I have noticed that my FR-S does take longer to "warm up" than our family sedan.

humfrz

Ultramaroon · 10-02-2016, 03:02 PM

Quote:

Originally Posted by notout86

Sorry I was vague.
I started by stating the temp at which the thermostat opens fully is 95 because I assume the engine itself may be different. If an analyser is plugged into the OBDII plug a sensor somewhere in the engine sends a signal for temperature... that's what I wanted to know.

For time or distance to operating temp I should have stated on an average sort of day around 20 degrees C and in suburban driving around 60 kmph.

My previous car warmed up in half the time/distance under the above conditions and I wondered whether my '86 is typical.

No worries. Yes, it takes a while There is no valve for the heater core so even stone cold, it's circulating water. If you have the cabin heat cracked open even a little bit, it will dramatically increase the engine warm-up time.

Hope that helps.

DIE1000DEATHS · 10-02-2016, 03:49 PM

The OBD will report about 90C when at normal operating temp according to my scan guage. However, my Innovate coolant temp gauge reads quite differently (sensor is plumbed into upper rad hose). It normally will show more around 98C when driving.

Also, the OBD reports temps coming up much more quickly than the Innovate gauge. I have seen the scan gauge show 74C when the Innovate hasn't moved from 49C (It's lowest it will show).

Hope this helps.

chaoskaze · 10-02-2016, 03:54 PM

Quote:

Originally Posted by notout86

I know the thermostat is fully open at 95 degrees C, but what temperature shows via the OBII plug?.

Also, on a day with temperature around 20 degrees C, how many km does it take to get up to normal temp.?

Our car does warm up slower compare to some others 🚗 , I know if you installed the oem style oil cooler sandwich plate from forester xt it will warm up a lot faster. I usually let the car sit for like 5 min before driving.

Sent from my iPhone using Tapatalk

Tcoat · 10-02-2016, 04:24 PM

Quote:

Originally Posted by chaoskaze

Our car does warm up slower compare to some others 🚗 , I know if you installed the oem style oil cooler sandwich plate from forester xt it will warm up a lot faster. I usually let the car sit for like 5 min before driving.

Sent from my iPhone using Tapatalk

Hey Chaos I am confused. How does an oil cooler make the car warm up faster?

10-02-2016, 12:36 AM	#1
notout86 Senior Member Join Date: Apr 2013 Drives: GTS 86 auto Location: Australia Posts: 486 Thanks: 263 Thanked 127 Times in 99 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	normal engine temperature I know the thermostat is fully open at 95 degrees C, but what temperature shows via the OBII plug?. Also, on a day with temperature around 20 degrees C, how many km does it take to get up to normal temp.? __________________ GTS86 Auto (Australia)

10-02-2016, 12:47 AM	#2
Ultramaroon not playing cards Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,396 Thanks: 53,053 Thanked 37,225 Times in 19,308 Posts Mentioned: 1117 Post(s) Tagged: 9 Thread(s)	I don't understand your first question. I don't have an answer for your second; five to seven minutes if you're not abusing it. __________________ service manuals

10-02-2016, 02:55 AM	#8
Ultramaroon not playing cards Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,396 Thanks: 53,053 Thanked 37,225 Times in 19,308 Posts Mentioned: 1117 Post(s) Tagged: 9 Thread(s)	Notout, we haven't forgotten about you. Get back to us. __________________ service manuals

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10-02-2016, 01:37 AM	#3
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 30,409 Thanks: 29,794 Thanked 32,812 Times in 16,830 Posts Mentioned: 715 Post(s) Tagged: 2 Thread(s)	My FR-S's temp gauge levels out in about 3 miles. humfrz

10-02-2016, 02:23 PM	#10
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 30,409 Thanks: 29,794 Thanked 32,812 Times in 16,830 Posts Mentioned: 715 Post(s) Tagged: 2 Thread(s)	So, @notout86 how long or how far do you travel before your car's temperature gauge reaches "normal" temperature ... ?? Yes, I have noticed that my FR-S does take longer to "warm up" than our family sedan. humfrz

10-02-2016, 03:49 PM	#12
DIE1000DEATHS TechNINJA Join Date: Jun 2012 Drives: Whiteout MT, 87 Mustang, 09 RUCKUS Location: Detroit, Murder Mitten Posts: 130 Thanks: 73 Thanked 46 Times in 27 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	The OBD will report about 90C when at normal operating temp according to my scan guage. However, my Innovate coolant temp gauge reads quite differently (sensor is plumbed into upper rad hose). It normally will show more around 98C when driving. Also, the OBD reports temps coming up much more quickly than the Innovate gauge. I have seen the scan gauge show 74C when the Innovate hasn't moved from 49C (It's lowest it will show). Hope this helps.

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