Cummins ISX » SPN-829 FMI 3 Left Level Fuel Sensor - Fuel Sending Unit

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LEFT FUEL LEVEL SENSOR
VOLTAGE ABOVE NORMAL, OR SHORTED TO HIGH


SPN: 829
FMI: 3

It can be the level potentiometer or a bad wiring harness. Both need to be evaluated/tested for diagnosis. Check for loose wires or corroded electrical connections.


Fuel Sending Unit Code
 

admin

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I see no sensor wires on left side just a big white one
Here is the code
SPN-8293Left Fuel Level Sensor
FUEL LEVEL SENSOR is on the outside going into the tank. It looks like pic posted. The Dealer or parts department might call it a "Sending Unit."
 

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