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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (5.7L - DTCS P2317 To U148C - 1500) >> Diagnosis And Testing >> P2320-Ignition Coil 7 Secondary Circuit - Insufficient Ionization >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
 
FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
COIL 7 CONTROL CIRCUIT SHORTED TO GROUND
COIL 7 CONTROL CIRCUIT OPEN/HIGH RESISTANCE
SPARK PLUG
COIL ON PLUG 7
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .