What should wideband read at WOT?
What should wideband read at WOT?
You should be around 14.7 while cruising and at partial throttle and when tuning for WOT it should be right around 10.5-11:1. If it really bothers you where you are sitting at idle you can add a little bit of fuel but it’s still no big deal.
What’s the difference between narrowband and wideband AFR?
A narrowband sensor can measure only between approximately 14.0/15.0:1 air/fuel ratios to report a rich or lean condition, but a wideband is much more robust. A wideband sensor can detect oxygen content in the exhaust that’s way below or way above the ideal air/fuel ratio of 14.7:1.
What is wideband air/fuel ratio?
A wideband oxygen sensor (commonly referred to as a wideband O2 sensor) is a sensor that measures the ratio of oxygen to fuel vapor in the exhaust exiting an engine. If there is 15 parts of oxygen to every one part of fuel, this would be expressed as an air/fuel ratio of 15 to 1, or 15.0:1.
What should my AFR be at idle?
The 14.7:1 ratio is perfect for idling and light throttle cruising conditions as it’s the most efficient mixture possible, meaning the best fuel economy and lowest emissions.
What is a good air fuel ratio at idle?
Air/Fuel Ratio Chart
| Condition | Common Air/Fuel Ratio |
|---|---|
| Warming Up (Idling) | 12:1 |
| Accelerating | 11:1 to 13:1 |
| Cruising (Constant Speed) | 14.7:1 |
| Heavy Load (Towing/Uphill) | 12:1 |
Is wideband better than narrowband?
The terms “narrowband” and “wideband” refer to the actual radio channel bandwidth. The benefit of using a narrow channel is the lower noise bandwidth and hence better sensitivity and range. The advantage of wideband is the capability to transfer higher data rates.
Can you tune without a wideband?
Contrary to popular opinion, you can tune without a wideband. An NB O2 sensor can determine whether or not you’re hitting the stoichiometric ratio (14.7). Knowing that, you only have to do basic math to determine how much fuel you need to hit a target ratio. Autotune will do this for you.
What is a good AFR at idle?
Most stock to slightly modified engines will run just fine at an AFR of 15 and yield better MPG. If you prefer better PERFORMANCE then we suggest to run an AFR of 14 or even richer to around 13.
Why are wideband gauges so expensive?
The wideband sensor and controller are expensive because they aren’t the same simple tech as a narrowband sensor. (And in fact, the wideband sensors themselves aren’t very expensive. The controller is. The controller has a lot of tech inside.
What are wideband gauges?
AEM’s Wideband UEGO (Universal Exhaust Gas Oxygen, pronounced “You-Way-Go”) Controllers are powerful, cost-effective tuning tools that allow users to accurately monitor the Air/Fuel Ratio (AFR) of an engine. Trust AEM, the pioneers of the wideband gauge. …
