Friday, 7 November 2014

fuel injectors and solenoids

Most fuel injectors in use today use a small coil or winding to pull the pintle of its seat and allow fuel into  the engine.
In other words a fuel  injector is nothing more than a solenoid.power on  its open power off its closed.
This  operation can be seen on the oscilloscope,by  interpreting the wave form its quick and easy to see whether or not the injector is behaving itself.
Is the ECU providing enough  current,is the injector worn,what is its  opening time or duration  all aspects of a fuel injector are available from  its  graphed  voltage ,couple this with its current pull and  it will yield  more  light through the window

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