EGT Gauge issue

Not sure what's going on with my NSP egt gauge. I bought it used but the gauge works, i hooked it up to a 9v battery and it lit up before I installed it now that it's in it doesn't light up but when I turn the key on it does a sweep like it should. I've relocated the ground used brand new wire with only connections to the wiring coming out of the gauge. Probe was brand new I forget the brand but probe is located in egr block off plate but when I drive there is no egt reading from the gauge. Gauge is 600-2200. Any insight to why I'm not getting a reading would be helpful. TIA!

There is probably nothing wrong. I've got a glowshift installed with a probe in the same spot (egt block-off plate) and my stock car is 400 degrees, I can get 450-500 pulling a trailer. Your exhaust temps aren't hot enough to register.

Hmm so do i adjust the probe further into the exhaust manifold? I only have it in maybe a couple inches now. And what about it not lighting up now that it's installed?

Bump, anyone know what egts are supposed to be on stock alh?

Mine have been running 300F to 500F
I second that it's rated too high.
Mine settles down to 250F at idle after running for a while.

Hmm interesting I guess it makes sense then thanks

You probably know this but the EGR port is not the best location for the EGT probe.
You can bend the probe (gently) enough to seat it all the way in but it will never
read and react as well as it will from right before the turbo.

Yeah I know it's not the best spot but was just easiest for now. I'll have to try that and see if it starts to pick up a reading

I was watching my EGT's on the way home and with them installed in the same location I didn't see more than 480F much.
Mostly it likes to hover in the 420F range during the day and 380F at night.

The EGR port is a good place for the probe, you just want a three inch probe. EGR is before the turbine, not after.

eddieleephd said:

I was watching my EGT's on the way home and with them installed in the same location I didn't see more than 480F much.
Mostly it likes to hover in the 420F range during the day and 380F at night.
The EGR port is a good place for the probe, you just want a three inch probe. EGR is before the turbine, not after.

Click to expand...

This has been discussed at length several times.
The ALH EGR port is not close enough to the turbo inlet to reflect actual EGTs.
I found this out after moving my EGT probe to the proper location right at the
mouth of the turbo and directly centered in the gas flow. This location reads
about 300F higher and reacted instantly to small changes in temperature.
Someone (I think it was Drivbiwire) posted a drawing of thermal gradients at play
in the exhaust manifold that is very revealing and shows how important placement is.