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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (DTCS P2096 To P2174) >> P2096-Downstream Fuel Trim System 1 Lean >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
EXHAUST LEAK
FUEL DELIVERY SYSTEM
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  .