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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 600 (3.0L Diesel - DTCS P0264-00 To P05EE-00 - 1500) >> Diagnosis And Testing >> P0506-00-Idle Speed Performance Lower Than Expected >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
MECHANICALLY DAMAGED ENGINE ACCESSORIES
SEVERE INTAKE SYSTEM RESTRICTIONS
PLUGGED EXHAUST SYSTEM
TRANSMISSION IMPROPERLY LOCKING TORQUE CONVERTER
FAULTY FUEL SYSTEM

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

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