Does anyone else get poor readings from 6.2 added temp gauge?

[edpdx]

After adding a gauge on the passenger side- removing the block off plate and adding the bung and thermostat switch, I seldom get a temp reading on the new gauge. Seems like the switch is too short to contact the coolant. Any one else have a 100% dependable gauge? What brand?

 

[Tinstar]

I’m using the plug off the water pump.
It’s only temporary until I install my HMMWV coolant crossover with the correct water temperature sensor placement.
I know the water pump is not the ideal location for temp accuracy but it does do a decent job there.


I use AutoMeter gauges for water and transmission temperature and engine oil pressure.
VDOs for voltmeter and engine rpm.

You do get what you pay for with quality gauges.

 

[Sharecropper]

After adding a gauge on the passenger side- removing the block off plate and adding the bung and thermostat switch, I seldom get a temp reading on the new gauge. Seems like the switch is too short to contact the coolant. Any one else have a 100% dependable gauge? What brand?

You might want to try to crack open the sensor while the system is warm and still under pressure and burp the air out from under the probe. Try this and let us know if that fixes the issue.

 

[nyoffroad]

You might want to try to crack open the sensor while the system is warm and still under pressure and burp the air out from under the probe. Try this and let us know if that fixes the issue.

BINGO!! An air pocket will cause all sorts of funky readings.

 

[n8roro]

I swapped the idiot light temp sensor for a temp gauge. Easy to do and accurate readings.