DENSO Air/Fuel Sensor Technology

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Updated: November 19, 2020

DENSO has experienced strong growth in sales of its OE quality aftermarket oxygen and air/fuel sensors in recent years, as vehicle owners become increasingly aware of the cost benefits of replacing worn or faulty sensors.

DENSO’s growth in sales is primarily due to the Australian vehicle repair market’s increasing preference for replacing faulty parts with OE standard product from reputable brands, as quality concerns from cheap, substandard, aftermarket sensors become increasingly apparent.

DENSO pioneered Air/Fuel sensor technology, which is used in many of today’s more advanced vehicles and have been leaders in the field of Oxygen Sensor design since the technology became widely adopted by vehicle manufacturers in the mid 1990’s. Through their industry reputation for reliability and quality, DENSO has become one of the largest OE suppliers of these parts worldwide. DENSO’s aftermarket sensors are manufactured to the same high standards of their OE range. They incorporate a unique aluminium oxide double trap layer around the sensor’s ceramic element which helps protect them from contaminated fuel – one of the most common causes of premature sensor failure. This feature helps DENSO sensors maintain their lifespan and performance, and make them sought after in the vehicle repair marketplace.

Oxygen Sensors

Oxygen Sensors (O2) work together with the vehicle’s fuel injection system, Catalytic Converter and engine management system or electronic control unit (ECU) to help achieve the lowest possible output of environmentally harmful engine emissions.

The DENSO Difference:

  • Superior design maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions
  • Wide coverage and unique applications for Asian and European cars
  • Original equipment quality and reliability

MAF Sensors

The mass air flow sensor measures the amount of air volume flowing into a car’s engine, and sends the electronic control unit (ECU) a voltage that represents the airflow. DENSO’s improved air flow meter features a new sensing element bypass structure, which significantly reduces contamination of the sensing element for more accurate detection.

The DENSO Difference:

  • DENSO’s plug-in type sensors allows for easy installation
  • Smaller, lighter and easier to mount
  • Platinum wire sensing element responds quickly to changes in air flow

Ignition Coils

DENSO’s space-saving ignition coil design has been adopted by many of the world’s leading automakers, requiring no high- tension ignition cable whilst fitting neatly into the engine’s spark plug bore.

The DENSO Difference:

  • Improved coil efficiency reduces the need to generate high voltage
  • Driving circuit is integrated into top of coil
  • Small in size, light in weight and easy to install

Check out the Denso Australia YouTube Channel for the newly released video “Oxygenv O2 sensors” available at https://youtu.be/gLw-NUP0y5o. DENSO also continues to expand its engine management range for more information visit www.denso.com.au

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