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Anyone know anything about mass airflow sensors?


Nute

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18 minutes ago, Buckster said:

If you find the specs of the sensors you can make them easily enough. They are a very simple and readily available semiconductor device.  You can test them with a multimeter, just power up the circuit then look for a fluctuation in voltage when you run a magnet near them.

Let's start with the basic numbskull...before he starts waving around magnets on a magic wand 🪄...

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Earth connection was the first thing I looked at, injectors are new, loom is the original and the bike ran (briefly and like a tractor) before I pulled it apart. Continuity, where I can check it is fine. They are crank position sensors, two of them, at 0 and 180 degrees from memory when I pulled the cover off.
 

Depending on how long I spend at the pub tonight I will have a look tomorrow and see what sense I can get from them as Ian suggests with a magnet. I assume I’m looking for a gradual change 0-12v across the signal and ground ( there are 3 wires) ?

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