Lambda Sensor - Denso - DOX-1720

This Lambda Sensor from Denso, part number DOX-1720, is a high-quality oxygen sensor designed for ...

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eBayLambda Sensor fits JAGUAR S TYPE X200 3.0 99 to 07 Oxygen Denso XR822998 Quality
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Product Information

Full details

This Denso DOX-1720 Lambda Sensor is designed for vehicle owners and mechanics seeking a reliable and high-quality oxygen sensor for specific FORD and JAGUAR models. Its key benefit is ensuring optimal engine performance and fuel efficiency through accurate exhaust gas monitoring. A potential consideration is the specific compatibility, which requires verification against your vehicle's make and model. This sensor features a direct-fit design, a heated element for faster response, a 4-pin connector, and a 350 mm cable length.

All features

Model Part NumberDOX-1720
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 better performance, fuel efficiency, and reduced emissions.

Why is my Check Engine Light on?

A Check Engine Light can illuminate for numerous reasons, but a faulty or failing lambda sensor is a common cause. The sensor's inability to provide accurate readings to the ECU can trigger this warning.

How long does a Lambda Sensor typically last?

The lifespan of a lambda sensor can vary depending on driving conditions, vehicle maintenance, and sensor quality. Generally, they can last anywhere from 60,000 to 100,000 miles, but they can fail sooner.

Can I install the Denso DOX-1720 myself?

While it is possible for DIY enthusiasts with the right tools and knowledge, installing a lambda sensor requires access underneath the vehicle and specific tools. It is often best left to a qualified mechanic to ensure correct installation and avoid damage.

What is the difference between a heated and unheated sensor?

A heated lambda sensor has an integrated heating element that brings it up to its optimal operating temperature quickly after startup. This ensures accurate readings much sooner than an unheated sensor, leading to better engine management from the start of a journey.

How can I tell if my Lambda Sensor needs replacing?

Common signs include a decrease in fuel efficiency (MPG), rough idling, hesitation during acceleration, a failed emissions test, and the illumination of the Check Engine Light.

What does 'direct fit' mean?

'Direct fit' means the sensor is designed to be an exact replacement for the original equipment part, featuring the same mounting points, electrical connectors, and cable length, simplifying the installation process.

Troubleshooting

Check Engine Light remains on after installation

Ensure the sensor is correctly installed and the electrical connector is securely attached. Clear the DTCs with an OBD-II scanner. If the light persists, re-verify sensor compatibility or consult a mechanic, as there may be another underlying issue.

Poor fuel economy or rough idling persists

Confirm the sensor was the correct part number for your vehicle. Check for exhaust leaks near the sensor. The issue might be related to other engine components or a faulty new sensor.

Sensor difficult to remove or install

Ensure you are using the correct lambda sensor socket. If the old sensor is seized, penetrating oil may be needed, but be cautious not to contaminate the new sensor's threads. Professional help is advised if stuck.

Pros and Cons

Pros

  • Ensures optimal engine performance and fuel efficiency.
  • Direct fit design simplifies installation.
  • Heated element provides quick response and accurate readings.
  • Durable construction from a reputable brand.
  • Replaces multiple OEM part numbers, offering flexibility.

Cons

  • Specific compatibility requires careful verification.
  • Requires professional installation or automotive expertise.
  • Not a universal fit; limited to specific vehicle models.
  • Potential for check engine light if not installed correctly.

Setup, Compatibility & Care

Compatibility:

Before purchasing, it is essential to confirm that the Denso DOX-1720 Lambda Sensor is compatible with your specific vehicle make, model, and year. This sensor is listed as a direct fit for:

  • FORD FIESTA Mk4, Mk6 1.6 (2008-2009)
  • FORD FIESTA Mk6 1.25 (2008 onwards)
  • FORD FIESTA Mk6 1.4 (2008 onwards)
  • JAGUAR S TYPE X200 3.0 (1999-2007)

It replaces OEM part numbers: FORD 1516718, 1527105, JAGUAR XR822998. Cross-reference numbers include NGK 0041, 1331, and 8960.

Setup (Installation):

Installation of a lambda sensor typically requires automotive expertise and specific tools. It is generally recommended to have this component installed by a qualified mechanic. The process involves:

  1. Safely lifting and supporting the vehicle.
  2. Locating the existing lambda sensor in the exhaust system.
  3. Disconnecting the electrical connector.
  4. Using a specialized lambda sensor socket to remove the old sensor.
  5. Applying anti-seize compound to the threads of the new sensor (if recommended by the manufacturer).
  6. Screwing in the new Denso DOX-1720 sensor by hand to avoid cross-threading.
  7. Tightening the sensor to the specified torque.
  8. Reconnecting the electrical connector.
  9. Clearing any diagnostic trouble codes (DTCs) using an OBD-II scanner.

Care:

Lambda sensors are sensitive components. Avoid spraying cleaning agents directly onto the sensor or its wiring. If the sensor becomes contaminated with oil or excessive carbon, its performance will be compromised. Regular vehicle maintenance, including proper engine oil changes and ensuring a clean combustion process, helps prolong the sensor's life.

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