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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0503 To P0580 >> P0506-Idle Speed Performance Lower Than Expected >> Possible Causes

Possible Causes

Possible Causes 
AIR INDUCTION SYSTEM
PCV SYSTEM LEAKS OR RESTRICTIONS
THROTTLE BODY/IAC MOTOR
PCM

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

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