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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1663 (6.4L - DTCS P1696 To P2503 - 2500 Hd) >> DTC Troubleshooting >> P1E0A-Closed Loop Fueling Not Achieved - Bank 2 Downstream >> Possible Causes

Possible Causes

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.
Possible Causes
FUEL DELIVERY SYSTEM
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR, WIRING, OR CONNECTORS
ENGINE MECHANICAL SYSTEM
OXYGEN (O2) SENSOR 1/2
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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