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Home >> Dodge and Ram >> 2021 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P1300 To P2173 >> DTC Troubleshooting >> P1E0A-Closed Loop Fueling Not Achieved - Bank 2 Downstream >> Possible Causes

Possible Causes

POSSIBLE CAUSES
FUEL DELIVERY SYSTEM
MAP SENSOR, WIRING, OR CONNECTORS
DOWNSTREAM O2 SENSOR, WIRING, OR CONNECTORS
ENGINE MECHANICAL SYSTEM
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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