AutoCodes – Toyota – P0451 2010 Toyota Camry

P0451 2010 Toyota Camry Code - EVAP System Pressure Sensor Range/Performance

Quick Answer

The Evaporative Emission System (EVAP) vapor pressure sensor, VSV for canister closed valve (CCV) and VSV for pressure switching valve are used to detect abnormalities in the evaporative emission control system. Common causes include Canister Pump Module (Faulty Evaporative Emission System (EVAP) Vapor Pressure Sensor ), EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose), Evaporative Emission System (EVAP) Vapor Pressure Sensor harness is open or shorted. 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 Toyota Camry indicates EVAP System Pressure Sensor Range/Performance.
Common causes
Common causes include Canister Pump Module (Faulty Evaporative Emission System (EVAP) Vapor Pressure Sensor ), EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose), Evaporative Emission System (EVAP) Vapor Pressure Sensor harness is open or shorted.
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 3,082
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0451 2010 Toyota Camry Description

The Evaporative Emission System (EVAP) vapor pressure sensor, VSV for canister closed valve (CCV) and VSV for pressure switching valve are used to detect abnormalities in the evaporative emission control system. The Engine Control Module (ECM) decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal.
OBDII Code P0451 2010 Toyota Camry - EVAP System Pressure Sensor Range/Performance - AutoCodes.com
P0451 2010 Toyota Camry Code - EVAP System Pressure Sensor Range/Performance

What are the Possible Causes of the DTC P0451 2010 Toyota Camry?

  • Canister Pump Module (Faulty Evaporative Emission System (EVAP) Vapor Pressure Sensor )
  • EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
  • Evaporative Emission System (EVAP) Vapor Pressure Sensor harness is open or shorted
  • Evaporative Emission System (EVAP) Vapor pressure sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0451 2010 Toyota Camry?

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 Toyota Camry 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 Toyota Camry code?

Need more information on how to fix the P0451 2010 Toyota Camry 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 2010 Toyota Camry Code

1. What does OBDII code P0451 on a 2010 Toyota Camry mean?

The code P0451 indicates a problem with the EVAP system pressure sensor range/performance in the vehicle.

2. What are the common symptoms of OBDII code P0451 on a 2010 Toyota Camry?

Common symptoms include the illumination of the check engine light, issues with fuel efficiency, and potential difficulties during the emission testing process.

3. What are the possible causes of OBDII code P0451 on a 2010 Toyota Camry?

Potential causes include a faulty EVAP system pressure sensor, a damaged sensor wiring harness, or issues with the vehicle's fuel tank pressure sensor.

4. How can I diagnose the OBDII code P0451 on a 2010 Toyota Camry?

Diagnosis involves using an OBDII scanner to retrieve the specific trouble code, inspecting the EVAP system components for any visible damage, and testing the EVAP system pressure sensor's functionality.

5. How can I repair OBDII code P0451 on a 2010 Toyota Camry?

Repair options may include replacing the EVAP system pressure sensor, repairing or replacing damaged wiring harnesses, or addressing any underlying issues causing the sensor range/performance problem.

6. Can I continue driving my 2010 Toyota Camry with OBDII code P0451?

While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential fuel efficiency problems and ensure compliance with emissions regulations.

7. How much does it cost to repair OBDII code P0451 on a 2010 Toyota Camry?

The cost of repair can vary depending on the specific cause of the code and whether you choose to do the repair yourself or take the vehicle to a mechanic. Costs may range from a few hundred dollars to over a thousand, including parts and labor.

8. Are there any DIY tips for fixing OBDII code P0451 on a 2010 Toyota Camry?

If you have the necessary tools and expertise, you may be able to replace the EVAP system pressure sensor yourself. However, it is advisable to consult the vehicle's service manual or seek professional help if unsure.

9. How long does it take to repair OBDII code P0451 on a 2010 Toyota Camry?

The repair time can vary depending on the extent of the issue and your experience level. In general, replacing the EVAP system pressure sensor can take anywhere from 30 minutes to a few hours.

10. Can resetting the check engine light resolve OBDII code P0451 on a 2010 Toyota Camry?

While clearing the code may temporarily turn off the check engine light, it will not fix the underlying issue causing the code. It is recommended to diagnose and repair the problem to prevent future complications.

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