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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 436 (6.7L Diesel - DTCS P2299 To U3017 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P2457-Exhaust Gas RECIRCULATION Cooling System Performance >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This test will fail if the EGR Temperature is greater than a calibrated threshold for a calibrated period of time. This monitor protects the system from a failed EGR Cooler.

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