Fuel Gage Inaccurate or Inoperative - Dual Tanks
DIAGNOSTIC AIDS^ Ensure that the fuel level is in the same range as the customer concern.
^ For intermittent diagnosis, refer to Testing for Intermittent and Poor Connections in Diagrams.
^ Use the fuel sender resistance (0-90 ohms) to verify the fuel sender operation. When the fuel tank is empty, the sender resistance is 0 ohm and when the fuel tank is full the sender resistance is 90 ohms.
TEST DESCRIPTION