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Lambda Sensor - Denso - DOX-0500

Lambda Sensor - Denso - DOX-0500

DENSO Direct Fit Lambda Sensor - DOX-0500 - Oxygen / O2 - Genuine Parts. DENSO is a global leader ...

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Product Information

Full details

This Denso DOX-0500 Lambda Sensor is designed for vehicle owners seeking a direct replacement for their rear oxygen sensor, ensuring a perfect fit and reliable performance. Its key benefit is providing OE-equivalent specifications for seamless integration and long-term durability. A potential caveat is that installation may require specialized tools or knowledge of vehicle exhaust systems.

All features

Model Part Number4481183RMP
BrandDenso

Extended Product Information

FAQs

What does a Lambda sensor do?

A Lambda sensor (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 mixture for efficient combustion and reduced emissions.

Why is it important to replace a faulty oxygen sensor?

A faulty oxygen sensor can lead to poor fuel economy, increased emissions, rough idling, and potential damage to the catalytic converter. Replacing it helps restore optimal engine performance and environmental compliance.

Is this sensor pre-greased?

Yes, the Denso DOX-0500 comes with a pre-greased M18x1.5 thread to facilitate easier installation and prevent corrosion or seizing in the exhaust system.

What does 'OE-equivalent' mean?

'OE-equivalent' means the part is manufactured to meet or exceed the specifications and performance of the original equipment (OE) part installed by the vehicle manufacturer.

How long is the cable on this sensor?

The Denso DOX-0500 Lambda Sensor has a cable length of 350 mm.

What is the thread size of this sensor?

The thread size for the Denso DOX-0500 is M18x1.5.

How many poles does the connector have?

This sensor features a 4-pin connector.

Troubleshooting

Check Engine Light remains on after installation.

Ensure the electrical connector is fully seated and secure. Clear the DTCs using an OBD-II scanner. If the light persists, the sensor may be faulty or there could be another issue with the exhaust or engine system.

Rough idle or poor fuel economy persists.

Verify the sensor is the correct part for your vehicle. Check for exhaust leaks before or around the sensor. Ensure the engine is running at the correct temperature (thermostat function).

Sensor is difficult to remove.

Apply a penetrating oil specifically designed for exhaust components and allow it to soak. Ensure you are using the correct size and type of oxygen sensor socket. If severely seized, professional removal may be required to avoid damaging the exhaust pipe.

Pros and Cons

Pros

  • Guaranteed perfect fit due to OE-equivalent design.
  • Reliable performance backed by Denso's reputation.
  • Durable construction for a long service life.
  • Easier installation with pre-greased thread.

Cons

  • May require professional installation if unfamiliar with automotive exhaust systems.
  • Specific vehicle compatibility needs to be verified before purchase.
  • Replacement part, not an upgrade.

Setup, Compatibility & Care

Compatibility:

Before purchasing, verify that the Denso DOX-0500 is listed as a direct replacement for your specific vehicle's year, make, and model, particularly for the rear oxygen sensor position. Check the MPN (DOX-0500) against your vehicle's service manual or a reputable parts catalog.

Setup:

  1. Ensure the vehicle is turned off and the exhaust system has cooled completely.
  2. Safely lift and support the vehicle if necessary.
  3. Locate the rear oxygen sensor on the exhaust pipe.
  4. Disconnect the electrical connector of the old sensor.
  5. Use an appropriate oxygen sensor socket wrench to unscrew the old sensor. A penetrating oil may be needed if it is seized.
  6. Screw in the new Denso DOX-0500 sensor by hand, ensuring the threads engage properly. The thread is pre-greased.
  7. Tighten the sensor securely using the socket wrench, but avoid over-tightening.
  8. Connect the electrical connector of the new sensor.
  9. Lower the vehicle and clear any diagnostic trouble codes (DTCs) with a scan tool.

Care:

Oxygen sensors are sensitive components. Avoid contact with oil, dirt, or excessive moisture. Ensure proper installation to prevent exhaust leaks, which can affect sensor readings. Regular engine maintenance will help prolong the life of the sensor.

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