Cooler, EGR: Description: 6.4L
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The Exhaust Gas Recirculation cooler is located under the intake manifold. Using engine coolant, the EGR cooler reduces the temperature of the exhaust gas that is recirculated to the air intake which in turn helps reduce NOx emissions.
For diagnosis and testing of the EGR cooler, refer to DIAGNOSIS AND TESTING .