There are commonly 2 types of Oxygen Sensors found on engines, Narrow and Wideband. As the name suggests, a Wide band Oxygen sensor (O2 sensor) is capable of reading a wide range of fuel mixture ratios, typically reading from 8.0 - 22.0 parts of Oxygen to every 1 part...

Most aftermarket ECUs and almost all factory ECUs have Closed loop fuel control. To obtain Closed loop fueling you must have an Oxygen sensor (O2 sensor) and an ECU able to read the voltage from it and adjust the fuel mixtures either + or -. O2 sensors come in many var...

E-Flex: (flex fuel)

E85 ethanol is used in engines modified to accept higher concentrations of ethanol such 'Flex Fuel Vehicles'. They are designed to run on any mixture of gasoline or ethanol with up to 85% ethanol by volume. There are a few major differences between...

We are spoilt for choice now days with a vast range of ECU manufactures but there are many questions your should ask yourself when selecting an ECU for your particular application and here some of them:

• How many ignition and injector outputs does the engine need?

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