Turbo/Supercharger Wastegate Actuator Stuck Open
2015-2021 Kia Sedona 3.3L V6
Description
The wastegate actuator is stuck in the open position, preventing the turbo from building proper boost pressure.
Symptoms
- Check Engine Light
- No boost pressure
- Significant loss of power
- Engine feels naturally aspirated
- Poor acceleration at all speeds
Common Causes
- Wastegate actuator rod seized
- Actuator diaphragm ruptured
- Wastegate valve carbon buildup
- Vacuum line disconnected
- Actuator linkage broken
Diagnostic Steps
- Check wastegate actuator vacuum line
- Manually operate wastegate actuator rod
- Inspect actuator diaphragm for leaks
- Check for carbon deposits on wastegate valve
- Verify boost pressure with gauge
Repair Notes
Replace wastegate actuator. Clean carbon from wastegate valve and housing. Check turbo shaft play.
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
P3004 on Other Vehicles
Common Questions
What does code P3004 mean on a 2015-2021 Kia Sedona?
P3004 stands for "Turbo/Supercharger Wastegate Actuator Stuck Open". The wastegate actuator is stuck in the open position, preventing the turbo from building proper boost pressure.
What are the symptoms of P3004 on a Kia Sedona?
Common symptoms of P3004 include: Check Engine Light, No boost pressure, Significant loss of power, Engine feels naturally aspirated, Poor acceleration at all speeds.
What causes P3004 on a 2015-2021 Kia Sedona?
Common causes of P3004 include: Wastegate actuator rod seized, Actuator diaphragm ruptured, Wastegate valve carbon buildup, Vacuum line disconnected, Actuator linkage broken.