EGT gauge

EGT gauge

An EGT gauge shows the exhaust gas temperature of a combustion engine in conjunction with a sensor and is a thermocouple pyrometer. This meter is most used in turbo equipped cars. If the sensor is installed after the turbo, the exhaust temperature can be monitored. If the sensor is installed at the manifold collector before the turbo, the turbine inlet temperature can be monitored.

If the sensor is installed at the turbine inlet, it results in higher temperatures and it reacts faster to the engine's condition compared to a installation after the turbo.

At a balanced air fuel ratio, the exhaust gas temperature is lower than in a lean or rich air fuel ratio.

EGT gauges are sometimes used at engine tuning.


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