Outside Air Temperature Sensor reads high - Why? Any fixes?

[GRHorst]

Yikes, I had now idea I could instigate such a long discussion when asking about the in-dash air temperature sensor!!

As Mikey said .... RIDE ON !

 

[Snowbelt Spyder]

This can be corrected within BUDS if you have it.... Just zero out the speedometer "correction" factor setting.... Makes me wonder why the hell they have it in there when it is incorrect!

Idaho, and whoever else is interested since it came up in here - It appears with a Megatech License. Otherwise it is hidden. That calibration factor you see comes from the factory and was the same number in most of the BUDS sample files for Spyders. The ATVs and SxS also have correction factors but using a different number. This 1868 number works out to around 2.8%. Causes it to read high, but that seems to be the intent. If ya’ll are ever in the neighborhood…..

 

[chunkmonk]

...
Keep in mind International regulations under the United Nations prohibit any speedometer from showing a speed less than actual. The error for showing faster than actual is permitted to be as much as 10%.

And we wouldn't want to upset the United Nations, now, would we? :cheers:

 

[Jambo Creek]

The atmospheric temperature readout on my 2022 Sea to Sky typically reads 8 to 10 degrees warmer than it should. I’m comparing to another Spyder, my Apple watch, business marqués, and AccuWeather. Anybody else notice this? Any solution?

 

[rjinaz86323]

My understanding is that the temp that is shown is actually the intake temperature.

 

[UtahPete]

I've got an analog thermometer from Fomotion that mounts on the cockpit and it's usually within a couple degrees of the display temperature readout

 

[lmadsen]

Just purchased a 2024 Spyder RT Limited. I have already discovered that the outside temperature reading is at least 5 degrees on the warm side. Just wondering why if BRP is going to have this on their machines without being able to make it more accurate. Don't suppose anything can be done to make it more accurate. I had a 2014 RTS for 10 years and it was exactly 3 degrees too high.

 

[Mikey]

I would say you will have to just embrace the little flaws of BRP's design, seeing how they haven't changed it as of now! It's like gas gauges, lame tires, and crappy rear tire adjusters!!

 

[Snowbelt Spyder]

Just purchased a 2024 Spyder RT Limited. I have already discovered that the outside temperature reading is at least 5 degrees on the warm side. Just wondering why if BRP is going to have this on their machines without being able to make it more accurate. Don't suppose anything can be done to make it more accurate. I had a 2014 RTS for 10 years and it was exactly 3 degrees too high.

Here’s a science project for you. Place a thermometer that you know is accurate, in the garage by your Spyder. Let them both sit there overnight. The next morning, just turn on the key and compare temperatures. See…. It’s accurate. It’s there for EFI Management. Its location reflects where the engineers wanted to measure the incoming air to the engine. There’s another temperature sensor for manifold temperature. The EFI system does computer stuff to make the engine run better. It’s not a bug, it’s a feature. Geez. I guess there really is nothing new under the sun.

 

[RogerC60]

Here’s a science project for you. Place a thermometer that you know is accurate, in the garage by your Spyder. Let them both sit there overnight. The next morning, just turn on the key and compare temperatures. See…. It’s accurate. It’s there for EFI Management. Its location reflects where the engineers wanted to measure the incoming air to the engine. There’s another temperature sensor for manifold temperature. The EFI system does computer stuff to make the engine run better. It’s not a bug, it’s a feature. Geez. I guess there really is nothing new under the sun.

That may well be. But the great majority of vehicles that have ambient temperature displays visible to the driver show the outside temperature around the vehicle, with a primary purpose being to warn of the possibility of ice on the road. In fact, some of them have a feature that flashes an alert on the dashboard if the temperature is right for ice. The Spyder temperature display seems a bit misleading.

 

[Snowbelt Spyder]

That may well be. But the great majority of vehicles that have ambient temperature displays visible to the driver show the outside temperature around the vehicle, with a primary purpose being to warn of the possibility of ice on the road. In fact, some of them have a feature that flashes an alert on the dashboard if the temperature is right for ice. The Spyder temperature display seems a bit misleading.

And that’s why we talk about it so much, I guess. Not to use it in a manner for which it wasn’t designed. So new owners understand that warning about the possibility of ice is not its primary purpose. Engine management is. It’s about location of the sensor, not accuracy.