What is a wideband oxygen sensor?
A wideband oxygen sensor is a sensor which allows you to monitor parts air to fuel. Most people have the preconception that a basic autometer air/fuel guage using the stock oxygen sensor in their vehicle will give them all the information they need about being in a lean or rich condition. This information is false, the factory narrowband oxygen sensor will not provide you with an accurate reading because the oxygen sensor is a narrowband sensor which does not have a wide enough of a range to accurately sense air/fuel mixtures needed to properly tune a vehicle. The purchase of a wideband oxygen sensor is not required due to the fact that almost every tuner provides one with his services etc. What is a 4bar, 3 bar or 2.5 bar map sensor or an aftermarket map sensor used for?: An aftermarket map sensor is used for forced induction vehicles which are to be tuned over 11 psi of manifold pressure. The factory Honda map sensor only supports up to 11 psi of map pressure. Can I run my vehicle on
