Operation CHARM
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Pontiac
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1993
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Grand AM V6-3300 3.3L
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Instrument Panel
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Fuel Gauge Sender
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Description and Operation
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Fuel Level Sensor
Fuel Level Sensor
Fuel Level Sensor:
The fuel sender is attached to the modular fuel sender. The resistance of the fuel sensor changes with fuel by means of a rheostat. It ranges from 90 ohms with a full tank to 0 ohms with an empty tank.