SENSOR - EGR EXHAUST GAS TEMP - CUMMINS ('07.5-'25, 6.7L)

Description

If this sensor in the EGR valve crossover tube or intake plenum of your 2007.5 to 2025 Ram Cummins Turbo Diesel goes bad, the engine will run rough until it is replaced.

Cummins EGR Exhaust Gas Temperature Sensor

Cummins Part number 2872858
Replaces Mopar 68206021AA

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Install and Tech Information

Service Repair Tip Provided by Chrysler

Before replacing Exhaust Temperature Sensors for any Exhaust Temperature Sensor P-Codes, check the body harness connector terminal retention clip/tab for breakage or damage. Several retention clips/tabs have been found to be broken and allow the terminal to be pushed back into the connector housing and not making a complete connection. If clip/tab is good and the terminal is in position, a final check resistance test of the sensor can be performed before removing the sensor. The sensor should measure between 190 ohms and 300K ohms and vary with temperature, if sensor checks between these resistances, then the sensor is good. Connect an ohm meter to the disconnected sensor and start the engine. Resistance should change as temperatures increase. If resistance value goes down as temperature increases, sensor is most likely NOT the root cause.

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