Lambda Sensor - Denso - DOX-2004

This Lambda Sensor from Denso is a direct fit switching sensor, designed for optimal performance. ...

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eBayLambda Sensor fits VOLVO V50 545 2.0 06 to 12 Oxygen Denso 30731563 8653653 New
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Product Information

Full details

This Denso DOX-2004 Lambda Sensor is designed for Volvo and Ford vehicle owners seeking a direct-fit replacement for optimal engine performance and emissions control. Its key benefit is ensuring accurate air-fuel ratio monitoring, leading to improved fuel efficiency and reduced emissions. A potential caveat is the necessity of using the vehicle's make and model tool to confirm precise compatibility before purchase.

All features

Model Part NumberDOX-2004
BrandDenso

Extended Product Information

FAQs

What is a Lambda Sensor?

A Lambda Sensor, also known as an oxygen sensor, measures the amount of oxygen in your vehicle's exhaust gases. This information is used by the engine control unit (ECU) to optimize the air-fuel ratio for combustion, improving efficiency and reducing emissions.

Why is my check engine light on?

A check engine light can be triggered by various issues, including a faulty Lambda sensor. Other common causes include problems with the ignition system, fuel system, or emissions control components. It's recommended to scan the vehicle for diagnostic trouble codes (DTCs) for a more precise diagnosis.

How long does a Lambda sensor typically last?

The lifespan of a Lambda sensor can vary greatly depending on driving conditions and maintenance. However, they generally last between 60,000 to 100,000 miles. Symptoms of failure include decreased fuel economy, rough idling, and increased emissions.

Can I install the Lambda Sensor myself?

Yes, if you have basic automotive tools and mechanical knowledge, you can typically install a Lambda sensor yourself. Ensure you follow the correct installation procedure, use a lambda sensor socket, and verify compatibility.

What does 'heated sensor' mean?

A heated sensor has an internal heating element that brings it up to optimal operating temperature quickly after the engine starts. This allows it to provide accurate readings sooner, especially during cold starts, leading to better emissions control and fuel efficiency from the moment you begin driving.

What is the benefit of the pre-greased thread?

The pre-greased thread simplifies the installation process and helps prevent the sensor from seizing into the exhaust pipe over time, making future removal easier.

Troubleshooting

Check Engine Light remains on after installation

Ensure the electrical connector is securely attached and free of debris. Re-scan for DTCs and clear them. If the light persists, the sensor may be faulty, or another engine issue may be present.

Poor engine performance or rough idling continues

Verify the sensor is the correct part for your vehicle. Check for exhaust leaks near the sensor and ensure proper installation torque. The issue might stem from other engine components.

Sensor connector does not fit securely

Inspect both the sensor connector and the vehicle's wiring harness connector for damage or bent pins. Ensure no foreign objects are obstructing the connection.

Pros and Cons

Pros

  • Ensures accurate air-fuel ratio measurement for optimal engine performance.
  • Contributes to reduced fuel consumption.
  • Helps lower harmful exhaust emissions.
  • Designed for easy installation with a direct-fit approach.
  • Heated element provides faster sensor response.
  • Durable construction for long-term reliability.

Cons

  • Requires verification of vehicle compatibility using a specific tool.
  • As a replacement part, it doesn't add new functionality.
  • Installation may require access to exhaust components.

Setup, Compatibility & Care

Compatibility Verification:

Before purchasing, it is crucial to use the provided make and model tool or consult your vehicle's documentation to confirm that the Denso DOX-2004 Lambda Sensor is compatible with your specific Volvo or Ford model. Incorrect fitment can lead to performance issues and damage.

Installation:

  1. Ensure the engine is completely cool before starting.
  2. Safely lift and support the vehicle if necessary to access the exhaust system.
  3. Locate the old lambda sensor on the exhaust manifold or pipe.
  4. Disconnect the electrical connector of the old sensor.
  5. Using an appropriate lambda sensor socket wrench, carefully unscrew the old sensor.
  6. Clean the threads on the exhaust pipe if necessary.
  7. Screw in the new Denso DOX-2004 sensor. The pre-greased thread should facilitate this. Do not overtighten; follow manufacturer torque specifications if available.
  8. Connect the electrical connector securely.
  9. Lower the vehicle and clear any diagnostic trouble codes (DTCs) with an OBD-II scanner.

Care:

Lambda sensors are sensitive components. Avoid contact with oil, fuel, or cleaning solvents. Do not attempt to clean the sensor element itself; replacement is typically required if performance degrades. Ensure the wiring and connector remain free from damage and corrosion.

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