Lambda Sensor - Denso - DOX-0426

This Denso Lambda Sensor, part number DOX-0426, is a direct-fit air fuel ratio sensor. It features...

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Product Information

Full details

This guide provides essential information for users of the Denso DOX-0426 Lambda Sensor. Designed for Jaguar S-Type II (X200) and XK X150 models, this sensor helps optimize your vehicle's air-fuel ratio. Note that proper installation and compatibility checks are crucial for optimal performance.

All features

Model Part NumberDOX-0426
BrandDenso

Extended Product Information

FAQs

What is a lambda sensor?

A lambda sensor, also known as an oxygen sensor, measures the oxygen content in the exhaust gases to help the engine control unit (ECU) optimize the air-fuel mixture.

Where is the Denso DOX-0426 sensor located?

It is typically located in the exhaust manifold of the Jaguar S-Type II (X200) and XK X150 models.

What happens if the sensor fails?

A failing sensor can cause increased fuel consumption, reduced engine performance, and increased emissions.

Can I install the sensor myself?

While it is possible to install the sensor yourself, professional installation is recommended. This helps ensure proper fit and function.

What tools are needed for installation?

You will need basic tools such as wrenches, a socket set, and potentially an OBD-II scanner.

What are the OEM part numbers for this sensor?

OEM references include Jaguar C2C22681 and C2P8810, and Denso 211200-5140 and 211200-5210.

What type of connector does the sensor have?

The sensor has a 4-pin connector.

What is the cable length of the sensor?

The cable length is 300 mm.

Troubleshooting

Check Engine Light is On

Use an OBD-II scanner to read the error codes. If the code relates to the lambda sensor, check the wiring connections and consider replacing the sensor.

Poor Fuel Economy

A faulty sensor can lead to inefficient fuel combustion. Check the sensor and related components.

Rough Engine Idle

A malfunctioning sensor can disrupt the air-fuel mixture, causing the engine to idle roughly. Inspect the sensor for damage or contamination.

Pros and Cons

Pros

  • Improved Fuel Efficiency: Optimize your engine's fuel consumption.
  • Reduced Emissions: Help minimize harmful exhaust emissions.
  • Direct Replacement: Easy installation due to the direct-fit design.
  • Enhanced Engine Performance: Precise air-fuel ratio control contributes to smoother engine operation.

Cons

  • Compatibility: Limited to specific Jaguar models.
  • Professional Installation Recommended: Requires some mechanical knowledge.
  • Potential for Damage: Sensor can be damaged by contamination.
  • Sensor Lifespan: Like all sensors, it has a limited lifespan and may need periodic replacement.

Setup, Compatibility & Care

Setup:

  1. Vehicle Preparation: Ensure the engine is cool and the vehicle is safely secured.
  2. Locate the Sensor: Identify the location of the lambda sensor, typically in the exhaust manifold.
  3. Disconnect: Disconnect the existing sensor's electrical connector.
  4. Remove the Old Sensor: Unscrew the old sensor using the appropriate tool.
  5. Install the New Sensor: Screw in the Denso DOX-0426 sensor, ensuring it is properly tightened (M18x1.5 thread size).
  6. Connect: Connect the electrical connector.
  7. Final Check: Start the engine and check for any exhaust leaks or error codes.

Compatibility:

This sensor is specifically designed for:

  • Jaguar S-Type II (X200)
  • Jaguar XK X150

Care:

  • Avoid using any additives that might contaminate the sensor.
  • Inspect the sensor regularly for damage or corrosion.
  • Handle the sensor with care during installation to prevent damage to the sensing element.

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