We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

In a performance application at wide open throttle, the ECU needs to control the air to fuel ratio to hit a small target somewhat richer than stoichiometric. The narrowband sensors most OEs use only ...

A reliable measurement of the AFR is vital for the tuner to be able to tune the engine and be sure that his changes to the fueling are correct. For this purpose we recommend one of the readily ...

Oxygen Sensor:An electronic device placed in the exhaust stream aft of the header collector that measures the oxygen content present in the exhaust gas. The sensor converts this value into a ...

ANDERSON, S.C. — More stringent emissions requirements have brought about more advanced and highly sensitive oxygen sensors, as well as the placement of more than one O2 sensor in some vehicles. In ...

It was tuned by Xenocron to run on 93-octane pump gas using a Megasquirt MSPNP2 ECU. The new setup also used a Wells TPS210 Variable Throttle Position Sensor in place of the fairly simple stock Mazda ...

As ever, I am fighting a marginally winning battle against my 1991 Mazda MX-5, and this is the story of how I came to install a wideband oxygen sensor in my Japanese thoroughbred. It came about as ...

As ever, I am fighting a marginally winning battle against my 1991 Mazda MX-5, and this is the story of how I came to install a wideband oxygen sensor in my Japanese thoroughbred. It came about as ...

The combination of EFI and forced induction presents enthusiasts with endless possibilities in regards to output and drivability. Throw in a quality wideband oxygen sensor and you can dial in upwards ...

Gauging for (Nitrous) Success: How to Safely Spray a Shelby GT350 Using Innovate Motorsports’ PSN-1 Wideband Power Safe Nitrous Gauge Modern performance enthusiasts expect perfection. We want our ...