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Home >> Chrysler >> 2009 >> 300 C, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P1573 To P2101 >> P2096-Downstream Fuel Trim System 1 Lean >> Possible Causes

Possible Causes

Possible Causes 
EXHAUST LEAK
FUEL DELIVERY SYSTEM
ECT SENSOR, WIRING, OR CONNECTORS
MAP SENSOR, WIRING, OR CONNECTORS
O2 SENSOR, WIRING, OR CONNECTORS
ENGINE MECHANICAL SYSTEM
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .