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NGK Spark Plugs is introducing its new Powerdex AFX Wideband Air-Fuel Ratio Monitor for the performance aftermarket. This product meets the increasing demand in the market for precision air-fuel ratio monitoring tools.
Traditionally these types of tools commanded price tags that could only be justified by professional race teams and engine specialists. As technology advanced, many low-cost air-fuel ratio products emerged. Some used actual wideband sensors while others simply read OE style narrowband oxygen sensor signals and attempted to convert them to linear readouts….often with marginal success.
With the AFX, NGK now offers the most affordable wideband system to date. A flexible and rugged system complete with everything needed to get you tuning. The kit comes with a digital display control module, 13’ wiring harness, wideband air-fuel ratio sensor, exhaust boss and plug, and a comprehensive tuning manual. The tuning manual includes installation instructions and contains a detailed guide to performance air-fuel ratio tuning.
The AFX measures and displays air-fuel ratio (AFR) from 9.00 to 16.00. It demonstrates superb response and accuracy within 0.1 AFR. The air-fuel ratio information can then be utilized by the user to make fuel delivery adjustments to the vehicle’s carburetor, mechanical fuel injection, or programmable electronic fuel injection system. The desired air-fuel ratio can be achieved depending on the performance requirements of the engine or race application. This is an exceptionally useful tool for carbureted engines, where there is a lot of freedom in tuning as well as a great need for proper adjustment.
AFX Frequently Asked Questions
Does the AFX have an analog output?
How long of a life can I expect from the sensor?
Is the AFX compatible with fuels other than gasoline?
Is the AFX compatible with leaded fuel?
What is the range of measurement for the AFX?
What is included in the kit?
There are many wideband systems on the market today. What makes the NGK system better than the competition?
My exhaust configuration makes it difficult for me to follow the sensor mounting guidelines listed in the manual. Will the system still work?
During driving, my display sometimes jumps into calibration mode and reads Air_, Air¯, or CAL-. Is the unit malfunctioning?
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