AutoCodes – Nissan – P0451 2010 Nissan Pathfinder

P0451 2010 Nissan Pathfinder Code - EVAP Control System Pressure Sensor Performance

Quick Answer

The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. Common causes include Faulty Evaporative Emission System (EVAP) Pressure Sensor, Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted, Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0451 2010 Nissan Pathfinder indicates EVAP Control System Pressure Sensor Performance.
Common causes
Common causes include Faulty Evaporative Emission System (EVAP) Pressure Sensor, Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted, Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 2,554
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 28, 2024
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Code P0451 2010 Nissan Pathfinder Description

The Evaporative Emission System (EVAP) control system pressure sensor detects pressure in the purge line. The sensor output voltage to the Engine Control Module (ECM) increases as pressure increases. The EVAP control system pressure sensor is not used to control the engine system. It is used only for on board diagnosis.
OBDII Code P0451 2010 Nissan Pathfinder - EVAP Control System Pressure Sensor Performance - AutoCodes.com
P0451 2010 Nissan Pathfinder Code - EVAP Control System Pressure Sensor Performance

What are the Possible Causes of the DTC P0451 2010 Nissan Pathfinder?

  • Faulty Evaporative Emission System (EVAP) Pressure Sensor
  • Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
  • Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0451 2010 Nissan Pathfinder?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0451 2010 Nissan Pathfinder 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 P0451 2010 Nissan Pathfinder code?

Need more information on how to fix the P0451 2010 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0451 2010 Nissan Pathfinder code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0451 2010 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0451 in a 2010 Nissan Pathfinder?

The common symptoms of OBDII code P0451 in a 2010 Nissan Pathfinder include the check engine light illuminating on the dashboard, decreased fuel efficiency, and difficulty starting the vehicle.

2. What does OBDII code P0451 indicate in a 2010 Nissan Pathfinder?

OBDII code P0451 in a 2010 Nissan Pathfinder indicates a potential issue with the Evaporative Emission Control System Pressure Sensor, specifically pertaining to its performance.

3. What are the possible causes of OBDII code P0451 appearing in a 2010 Nissan Pathfinder?

Possible causes of OBDII code P0451 in a 2010 Nissan Pathfinder include a faulty Evaporative Emission Control System Pressure Sensor, a damaged wiring harness, or a problem with the vehicle's ECM.

4. How can I diagnose the OBDII code P0451 in my 2010 Nissan Pathfinder?

To diagnose OBDII code P0451 in a 2010 Nissan Pathfinder, you can use an OBDII scanner to retrieve the code, visually inspect the wiring harness and sensor for any visible damage, and perform a smoke test to identify any leaks in the EVAP system.

5. What are the repair options for fixing OBDII code P0451 in a 2010 Nissan Pathfinder?

Repair options for fixing OBDII code P0451 in a 2010 Nissan Pathfinder may include replacing the Evaporative Emission Control System Pressure Sensor, repairing or replacing the damaged wiring harness, or reprogramming the vehicle's ECM.

6. Can I continue driving my 2010 Nissan Pathfinder with OBDII code P0451?

It is not recommended to continue driving your 2010 Nissan Pathfinder with OBDII code P0451, as it can lead to potential issues with the vehicle's emissions system and may cause further damage if left unaddressed.

7. How much does it typically cost to repair OBDII code P0451 in a 2010 Nissan Pathfinder?

The cost of repairing OBDII code P0451 in a 2010 Nissan Pathfinder can vary depending on the exact cause of the issue, but it may range from $100 to $400, including parts and labor.

8. Are there any DIY tips for troubleshooting OBDII code P0451 in a 2010 Nissan Pathfinder?

While diagnosing and repairing OBDII code P0451 may require professional expertise, you can visually inspect the sensor and wiring harness for any obvious issues before seeking further assistance from a mechanic.

9. How long does it typically take to repair OBDII code P0451 in a 2010 Nissan Pathfinder?

The repair time for OBDII code P0451 in a 2010 Nissan Pathfinder can vary depending on the extent of the issue and the availability of parts, but it may take anywhere from 1 to 3 hours to complete the repair.

10. Can OBDII code P0451 in a 2010 Nissan Pathfinder cause any long-term damage if not addressed promptly?

If OBDII code P0451 in a 2010 Nissan Pathfinder is not addressed promptly, it can potentially lead to decreased fuel efficiency, emission system malfunctions, and other long-term damage to the vehicle's components.

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