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Home >> Chrysler >> 2007 >> PT Cruiser Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0340 To P050B >> P050A-Cold Start Idle Air Control System Performance >> Possible Causes
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Possible Causes

Possible Causes 
RESTRICTED INTAKE AIR SYSTEM
EXCESSIVE RESISTANCE IN THE (K61) IAC CONTROL CIRCUIT
EXCESSIVE RESISTANCE IN THE (K961) IAC SIGNAL CIRCUIT
IAC/THROTTLE BODY
PCM

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