Lambda Sensor - Denso - DOX-0317

This Lambda Sensor is manufactured by Denso, a trusted name in automotive parts. It is a single, 4...

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eBayLambda Sensor fits MAZDA MX5 Mk1, Mk2 1.6 96 to 00 Oxygen Denso BP3A18861 New
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Product Information

Full details

This guide provides essential information for users of the Denso DOX-0317 Lambda Sensor. Designed for automotive applications, this sensor is a direct-fit replacement known for its reliability. Please note that proper vehicle fitment is crucial; use the provided make/model tool to ensure compatibility.

All features

Model Part NumberDOX-0317
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 the exhaust gases. This information is used by the engine control unit to optimize the air-fuel mixture.

How do I know if my sensor is bad?

Symptoms of a failing oxygen sensor include a check engine light, poor fuel economy, rough idling, and hesitation during acceleration.

Can I install the sensor myself?

While the installation process is relatively straightforward, it is recommended to have a qualified mechanic perform the installation to ensure proper fitment and operation. Follow your vehicle's service manual.

What tools do I need?

You will need basic hand tools, including a wrench or socket to remove and install the sensor, and possibly an OBD-II scanner to clear fault codes.

What is the thread size of the sensor?

The Denso DOX-0317 has a thread size of M18x1.5.

What is the cable length of the sensor?

The cable length is 880mm.

Troubleshooting

Check Engine Light is On

Use an OBD-II scanner to diagnose the fault code related to the oxygen sensor. If the code indicates a sensor failure, replace the sensor.

Poor Fuel Economy

A faulty oxygen sensor can cause the engine to run rich or lean, affecting fuel economy. Replacing the sensor may solve the issue.

Rough Idling or Stalling

A malfunctioning oxygen sensor can disrupt the air-fuel mixture, leading to rough idling or stalling. Inspect the sensor and its connections.

Pros and Cons

Pros

  • Easy to install due to direct-fit design.
  • Heated design ensures quick sensor activation.
  • Manufactured by Denso, known for quality and reliability.
  • Pre-greased threads simplifies installation process.
  • Wide compatibility with MAZDA vehicles.

Cons

  • Requires proper vehicle fitment verification.
  • Sensor may not be compatible with all vehicle models.
  • Professional installation may be required for some users.

Setup, Compatibility & Care

  1. Compatibility: Verify the sensor's compatibility with your vehicle using the make/model tool or by cross-referencing with your vehicle's original part number or MAZDA part numbers BP3A18861 and BP4W18861B.
  2. Installation: Installation should be performed by a qualified mechanic, following the vehicle's service manual instructions.
  3. Thread Preparation: Ensure the threads on the exhaust system are clean before installation. Use anti-seize compound on the threads if recommended.
  4. Wiring: Connect the sensor's wiring harness correctly, ensuring a secure connection.
  5. Care: Avoid using harsh chemicals when cleaning the sensor. Do not attempt to clean or repair the sensor itself.

Note: Cable length is 880mm.

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