Emission Control Sensors

Emission Control Sensor

Engine Cylinder Head Temperature Sensor

The Engine Cylinder Head Temperature Sensor detects the coolant temperature within the vehicle engine so the ECM can adjust the fuel injection, ignition timing or electric cooling fan operation.

Emission Control Sensor

Exhaust Back Pressure Sensor

This sensor monitors the pressure in the exhaust system so it can measure how much turbo boost to provide and enhance engine power.

Emission Control Sensor

Exhaust Gas Differential Pressure Sensor

The differential pressure sensor's role is to detect the pressure in the diesel particulate filter so the PCM can regulate regeneration.

Emission Control Sensor

Fuel Tank Pressure Sensor

A Fuel Tank Pressure Sensor is designed to detect leaks in the evaporative emissions system.

Take a Deeper Dive

Anatomy of a Fuel Tank Pressure Sensor

Take a closer look at the construction of an Emission Control Sensor and learn why Wells parts are the best available in the aftermarket.

Expanded image of Fuel Tank Sensor
Fuel Tank Pressure Sensor part

Summary

Emission Control Sensors

The emission system as a whole is responsible for helping reduce the amount of the oxides and other pollutants that gas-powered engines produce. Emission control sensors support functions throughout the emission system and are designed to detect changes in temperature, pressure, leakage and operation.

Emission sensors are typically mounted on or near their related components throughout the emissions control system.

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