Gaetscha Marcelin Tags: Oxygen Sensors, Performance Parts, Tech Tuesday, The Tuning School, Tuning, Tuning Education -

In this Tech Tuesday, Steve Morgan gives a few tips to making sure your narrowband and wideband O2 sensors are as effective as possible, so your engine and your tune will be too.
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Gerrot Jacobson Tags: Oxygen Sensors, PCM Controls, Performance Parts, Teaching, The Tuning School, Tuning, Tuning Education -

When using an oxygen sensor, the sensor has a heat-up time and a dead/off time. The heat-up time is the time needed to warm up so it can read correctly. Anytime you are wide open throttle the PCM once again goes into open loop, not caring what the oxygen sensor has to say. That is called our dead/off time.
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Gerrot Jacobson Tags: Article, Oxygen Sensors, Performance Parts, Sniffing Device, Teaching, The Tuning School, Tuning, Tuning Education, Wideband -

If you have ever ran into this intermittent issue, you know it can be a pain in the brain. Don’t immediately expect it’s a wideband problem, look at your trusty scanner and compare your so called “Bad” wideband to a few other things.
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