P1406
Exhaust Gas Recirculation Position Sensor Performance
P1406 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Position Sensor Performance. Common causes: egr position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- EGR position sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Mechanical problems of the EGR valve
- Sensor contamination with carbon deposits
How to Fix
- Check the continuity of the EGR position sensor circuit
- Clean sensor connector contacts
- Check the mechanical operation of the EGR valve
- Replace EGR position sensor if necessary
- Test the system after repair
Related codes
Error P1406 by Vehicle Brand
FAQ
What does the P1406 code mean?
P1406 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Position Sensor Performance
What causes a P1406 error code?
The most common causes of P1406 include: EGR position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical problems of the EGR valve.
How do I fix a P1406 diagnostic trouble code?
To fix P1406: Check the continuity of the EGR position sensor circuit. Clean sensor connector contacts. Check the mechanical operation of the EGR valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1406?
Yes, but get it checked soon
How much does it cost to fix P1406?
The estimated repair cost for P1406 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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