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SMP-19 Sensor Diagnostics
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Level Sensors Quiz
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1.
Why are digital level sensors typically used in Diesel Exhaust Fluid (DEF) systems:
lower required sensor voltage
DEF can be very corrosive
cheaper manufacturing costs
space limitations do not allow for a level sensor
2.
In the diagram, what will the meter read with the sensor unplugged:
Meter
2.5v
12v
5v
0v
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Level Sensors