EGR System Monitor Malfunction
2006-2011 Hyundai Azera 3.3L V6
Description
The PCM has detected a malfunction in the EGR system monitor function. The EGR system is not operating within expected parameters during the PCM diagnostic monitoring cycle.
Symptoms
- Check Engine Light
- Failed emissions test
- Possible rough idle when EGR activates
- Engine knock at cruise speeds
Common Causes
- Stuck or clogged EGR valve
- EGR passages blocked with carbon
- Faulty EGR valve position sensor
- EGR solenoid malfunction
- Vacuum supply issue
Diagnostic Steps
- Command EGR valve open with scan tool and check engine response
- Inspect EGR valve and passages for carbon buildup
- Test EGR solenoid operation
- Check vacuum supply to EGR valve
- Clean EGR valve and passages
Repair Notes
Clean or replace the EGR valve and clean all EGR passages.
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
P1400 on Other Vehicles
Common Questions
What does code P1400 mean on a 2006-2011 Hyundai Azera?
P1400 stands for "EGR System Monitor Malfunction". The PCM has detected a malfunction in the EGR system monitor function. The EGR system is not operating within expected parameters during the PCM diagnostic monitoring cycle.
What are the symptoms of P1400 on a Hyundai Azera?
Common symptoms of P1400 include: Check Engine Light, Failed emissions test, Possible rough idle when EGR activates, Engine knock at cruise speeds.
What causes P1400 on a 2006-2011 Hyundai Azera?
Common causes of P1400 include: Stuck or clogged EGR valve, EGR passages blocked with carbon, Faulty EGR valve position sensor, EGR solenoid malfunction, Vacuum supply issue.