Page 1 - air-fuel-ratio-gauge

DISPLAY: RED GREEN BLUE
FACE: BLACK WHITE
DynoTune A/F Ratio Gauge Installation BEZEL: BLACK SILVER

PACKAGE: ROUND SQUARE
Congratulations!

You have purchased one of the finest A/F ratio Gauges on the
market. Follow the directions below as a guide for installation and
tuning. Remember, The DynoTune meter is an instrument that will
help guide you to greater performance, but it is only as good as the

person using it so be careful and most of all have fun!!

Index

Section 1 Operation overview

Section 2 Installation

Section 3 Tuning guidelines

Section 4 Troubleshooting

Section 1

Operation overview

The DynoTune A/F meter will display the oxygen sensors
output in millvolts. This output tells you what the air fuel ratio is
and can help guide you in making adjustments. The typical output

is from 0 to .999 millvolts. Most oxygen sensors in vehicles will
cycle up and down from 0 to .999mv during cruise situations.
During this cycling time the meter will just track the output of the
sensor up and down. During mid throttle acceleration the oxygen

sensor starts to get more stable and the readings on the DynoTune
meter will stabilize. During Full throttle operation is what we are
after, now the sensor is putting out a much more consistent

voltage. In the tuning section you will learn more about the oxygen
sensor output and what it means.