AutoCodes – Nissan – P0451 2008 Nissan Rogue

P0451 2008 Nissan Rogue 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 2008 Nissan Rogue 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 2,084

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0451 2008 Nissan Rogue 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 2008 Nissan Rogue - EVAP Control System Pressure Sensor Performance - AutoCodes.com — P0451 2008 Nissan Rogue Code - EVAP Control System Pressure Sensor Performance

What does this mean?

What are the Possible Causes of the DTC P0451 2008 Nissan Rogue?

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)
Crankshaft position sensor (POS)
Accelerator pedal position sensor
Refrigerant pressure sensor

How to Fix the DTC P0451 2008 Nissan Rogue?

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 2008 Nissan Rogue 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 2008 Nissan Rogue code?

Need more information on how to fix the P0451 2008 Nissan Rogue code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2008 Nissan Rogue Code

1. What does the OBDII code P0451 mean on a 2008 Nissan Rogue?

P0451 indicates an issue with the EVAP Control System Pressure Sensor's performance, meaning the sensor isnâ€™t providing the expected readings to the engine control module (ECM).

2. What are the common symptoms of the P0451 code in a 2008 Nissan Rogue?

Symptoms may include an illuminated check engine light, decreased fuel efficiency, and in some cases, noticeable fuel vapor smells near the vehicle.

3. What causes the P0451 code to appear on a 2008 Nissan Rogue?

Possible causes include a faulty EVAP pressure sensor, damaged or loose EVAP system hoses, a clogged EVAP canister, or wiring issues such as corroded or damaged connectors.

4. Can I drive my 2008 Nissan Rogue with the P0451 code?

While the vehicle may still be drivable, ignoring the code can lead to further issues, such as increased emissions or potential damage to the EVAP system.

5. How do I diagnose the P0451 code on a 2008 Nissan Rogue?

Start by inspecting the EVAP pressure sensor, hoses, and wiring for damage or disconnections. Use a scan tool to monitor sensor readings and compare them to manufacturer specifications.

6. How do I fix the P0451 code on my 2008 Nissan Rogue?

Repairs may involve replacing the EVAP pressure sensor, repairing damaged wiring, sealing leaks in the EVAP system, or cleaning/replacing the EVAP canister.

7. How much does it cost to repair the P0451 code on a 2008 Nissan Rogue?

The cost depends on the root cause. Replacing the EVAP pressure sensor typically ranges from $100 to $300, including parts and labor.

8. Can a loose gas cap cause the P0451 code on a 2008 Nissan Rogue?

A loose gas cap is not a direct cause of P0451, but it can cause other EVAP-related codes. Always check the gas cap as part of your inspection process.

9. How can I prevent the P0451 code from recurring in my 2008 Nissan Rogue?

Regularly inspect the EVAP system for damage, keep the gas cap tight, and address any check engine light promptly to avoid further issues.

10. Does the P0451 code affect emissions testing for a 2008 Nissan Rogue?

Yes, a P0451 code will likely cause your vehicle to fail emissions testing since it indicates a problem in the EVAP system, which controls fuel vapor emissions.