Okay. That is great info and a great result.
Now we need to turn to finding out if the gauge is accurate.
Are you able to get the temperature to rise and fall like this while sitting still? Meaning can you get the engine warmed up and then just rev the engine in park and get the gauge to rise and fall of the gauge?
If so, we need to use a laser temperature gauge and see if the coolant passage that the temperature sensor is in is actually getting hot and falling like this or do, we have a temperature gauge that is overly sensitive?
When you rev the engine, the temperature is going to go up, but your vehicle appears to be going way too much so the temperature gauge may be jumping when it reaches these temperatures. Basically, it is just a resistor in the tip of the sensor that changes the voltage as the temperature changes, and it may be the issue.
https://www.2carpros.com/articles/how-to-use-an-infrared-temperature-meter
So, we need to see if the temperature is just going up a couple of degrees or 10s of degrees which means the sensor is accurate.
At which point that means we most likely have a restriction in the system somewhere.
Sunday, December 5th, 2021 AT 12:43 PM