P0506
Idle Air Control System RPM Lower Than Expected
2004-2008 Chrysler Pacifica 4.0L V6
Moderate SeverityPowertrainGeneric (SAE)
Description
The idle speed is consistently below the target RPM.
Symptoms
- Low idle speed
- Stalling
- Rough idle
Common Causes
- Carbon buildup in throttle body
- Vacuum leak
- Faulty IAC valve
- Low fuel pressure
- EGR valve stuck open
Diagnostic Steps
- Clean throttle body
- Check for vacuum leaks
- Test IAC valve
- Test fuel pressure
- Check EGR valve
Repair Notes
Clean throttle body and IAC. Check for vacuum leaks.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0506 on Other Vehicles
Common Questions
What does code P0506 mean on a 2004-2008 Chrysler Pacifica?
P0506 stands for "Idle Air Control System RPM Lower Than Expected". The idle speed is consistently below the target RPM.
What are the symptoms of P0506 on a Chrysler Pacifica?
Common symptoms of P0506 include: Low idle speed, Stalling, Rough idle.
What causes P0506 on a 2004-2008 Chrysler Pacifica?
Common causes of P0506 include: Carbon buildup in throttle body, Vacuum leak, Faulty IAC valve, Low fuel pressure, EGR valve stuck open.