P1402 Nissan Code - EGR Function Open
Quick Answer
This system controls flow rate of Exhaust Gas Recirculation (EGR) led from exhaust manifold to intake manifold. Common causes include Faulty EGR temperature sensor, EGR volume control valve harness is open or shorted, EGR volume control valve circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1402 Nissan indicates EGR Function Open.
- Common causes
- Common causes include Faulty EGR temperature sensor, EGR volume control valve harness is open or shorted, EGR volume control valve circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1402 Nissan Description
- Engine stopped
- Engine starting
- Engine idling
- Low engine coolant temperature
- Excessively high engine coolant temperature
- High engine speed
- Wide open throttle
- Low battery voltage
What are the Possible Causes of the DTC P1402 Nissan?
- Faulty EGR temperature sensor
- EGR volume control valve harness is open or shorted
- EGR volume control valve circuit poor electrical connection
- EGR volume control valve leaking or stuck open
How to Fix the DTC P1402 Nissan?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
There is a Factory Service Bulletin for the following Nissan Models:
2004-2005 Nissan Maxima
2004-2005 Nissan Quest
2005 Nissan Altima
Nissan Factory Service Bulletin OBDII Code P1402
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1402 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1402 Nissan code?
Need more information on how to fix the P1402 Nissan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1402 Nissan code diagnosed by a professional: Find a repair shop in your area
Information for Specific Nissan Models
- P1402 2005 Nissan Altima Sedan — EGR Function Open
- P1402 2006 Nissan Altima Sedan — EGR Function Open
- P1402 2004 Nissan Maxima — EGR Function Open
- P1402 2005 Nissan Maxima — EGR Function Open
- P1402 2006 Nissan Maxima — EGR Function Open
- P1402 2002 Nissan Sentra — EGR Function Open
- P1402 2003 Nissan Sentra — EGR Function Open
- P1402 2004 Nissan Sentra — EGR Function Open
- P1402 2005 Nissan Sentra — EGR Function Open
- P1402 2006 Nissan Sentra — EGR Function Open
Frequently Asked Questions about P1402 Nissan Code
1. What does the OBDII code P1402 mean on a Nissan?
P1402 indicates an issue with the EGR system, specifically that the EGR valve is stuck open or functioning improperly.
2. What are the symptoms of the P1402 code on a Nissan?
Symptoms may include rough idling, decreased fuel efficiency, engine hesitation, or stalling, as well as the Check Engine Light turning on.
3. What causes the P1402 code on a Nissan?
Common causes include a stuck EGR valve, carbon buildup in the EGR passages, a faulty EGR temperature sensor, or damaged wiring.
4. Can driving with the P1402 code damage my Nissan?
Driving with this code can lead to engine performance issues and may cause long-term damage due to improper air-fuel mixture and overheating.
5. How can I diagnose the P1402 code on a Nissan?
Diagnosis involves inspecting the EGR valve for blockage or damage, checking the EGR temperature sensor, and testing wiring and connectors for continuity.
6. What tools do I need to fix the P1402 code on a Nissan?
You’ll need an OBDII scanner, a multimeter, basic hand tools, and possibly cleaning supplies for carbon buildup removal.
7. Is replacing the EGR valve the only solution for the P1402 code?
No, the issue could also be solved by cleaning the EGR passages or repairing wiring issues, depending on the root cause.
8. How much does it cost to fix the P1402 code on a Nissan?
The repair cost varies but typically ranges from $150 to $500, depending on whether parts need replacement or just cleaning.
9. Can I fix the P1402 code on my Nissan myself?
If you’re comfortable with basic car repairs and diagnostics, you may be able to clean the EGR valve or replace it yourself.
10. What happens if I ignore the P1402 code on my Nissan?
Ignoring this code can lead to reduced engine performance, increased emissions, and potential damage to other components like the catalytic converter.
Discuss the causes and fixes for P1402 Nissan OBDII Code
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Nissan Sentra 1998 1.6L service engine soon light comes on trouble code P1402 comes up changed egr valve and egr temperature sensor light still comes on
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The P1402 code means that the EGR valve is always open and that can only be caused by a faulty EGR valve or EGR Solenoid Valve. Since you have already replaced the EGR valve, at this point you probably have to replaced the EGR Solenoid Valve.
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J'ai ce code sur ma Maxima 2004 ou est-ce que cette piece ce trouve j'aimerai avoir un shema
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