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Home >> Dodge and Ram >> 2015 >> ProMaster City Base >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P0503 To P1043 >> DTC Troubleshooting >> P050B-Cold Start Ignition Timing Performance >> Possible Causes

Possible Causes

Possible Causes
RESTRICTED INTAKE AIR SYSTEM
LOW BATTERY VOLTAGE
FUEL CONTAMINATION
EXCESSIVE RESISTANCE IN THE ETC MOTOR (+) CIRCUIT
EXCESSIVE RESISTANCE IN THE ETC MOTOR (-) CIRCUIT
ETC MOTOR/THROTTLE BODY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .