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This means that the ECU did not receive a clear reading until 2 minutes after the vehicle was started, when the engine was cold and emitting more pollutants. It's important to understand that the first Lambda Probes date back to the 1970s, where the EGO-type probes of the time were not heatable and had a useful response time of more than 120 seconds. Manufactured in controlled environments such as a clean room. Sensor technology of multilayer ceramic planar technology. Degree of protection water resistance IP68, able to operate in continuous immersions of water.
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Technical ceramics designed to ensure watertightness and avoid contamination. If the lambda factor is less than 1, we have a fuel-rich mixture. If this comparison gives a lambda factor greater than 1, then we have a fuel-lean mixture. But why is it called a Lambda Probe? Well, the Lambda factor (ƛ) indicates the air-fuel ratio compared to the ideal stoichiometric ratio of 14.7 parts air to 1 part fuel (in weight). These oxygen sensor also control the life cycle of the catalytic converter, letting us know when it's exhausted and needs to be replaced. However, vehicles that apply the OBD (On-Board Diagnostic) systems, are equipped with a second oxygen sensor (diagnostic) which is located on the back of the catalytic converter and reports on the correct operation of the regulating Lambda Probe while also correcting any deviation. All vehicles with a catalytic converter have at least one Lambda Probe (regulating) which is located before the catalytic converter. It continuously detects the proportion of oxygen in the remaining exhaust gas, so that the ECU can adjust the amount of fuel required to the optimum value. One of these sensors is the well-known oxygen sensor (also known as the Oxygen Sensor), which is placed in the exhaust pipe and is specifically responsible for reducing the emission of harmful gases into the atmosphere.
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But, in the same way that our brain makes the decision to move our hand if we notice it's burning, any decision made by the ECU depends directly on what the "sensors" distributed throughout the vehicle "tell" it.
#Wideband sensor binary editor software
The control of gas emissions is handled by the software which manages the ECU, the brain of the vehicle. Some manufacturers have had problems and have not passed the tests, which has posed a great challenge to engineers of engines, afterburner systems and the design of oxygen sensors. From the 90s until now, EU standards have got increasingly stronger with the enactment of consecutive directives from Euro2, Euro3, up to the current Euro6c. For this reason, the European authorities who regulate exhaust emissions have set out increasingly restrictive policies. Looking at the motorcycle statistics, the ratio is 1:17. According to a recent study of the AMB (Metropolitan Area of Barcelona) with regard to PM (particle matter), 1 20-year-old car pollutes as much as 36 modern-day cars and, in the case of NOx (Nitrogen Oxide), pollutes as much as 5 modern-day cars. And, although it seems ironic to speak of ecology when we're referring to vehicles that pollute the environment, we can assure you that the technological advances of recent years are contributing to the drastic reduction of harmful gas emissions into the atmosphere, which are responsible for the greenhouse effect. But this transition to a 100% clean vehicle must be done by improving the efficiency and ecology of the current combustion vehicles, which still have many years of life in the market. Crude oil is running out and we're moving, in leaps and bounds, towards the electric vehicle.