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Home >> Chrysler >> 2003 >> Intrepid ES, 3.5 V >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0401: EGR System Performance >> Monitored & Set Conditions

Monitored & Set Conditions

WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.

System is monitored during engine decel, vehicle speed 4 to 26 MPH, engine coolant temperature greater than 158°F (70°C) and engine run time is greater than 120 seconds. The PCM monitors engine roughness. During decel the EGR is opened and the PCM monitors engine then monitors engine roughness with the valve open. If an increase of engine roughness is not present, DTC will set. DTC is a two trip fault.

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