Fuel Gauge Sender Unit Inspection

NOTE:

For the fuel gauge sender unit removal/installation, refer to the fuel pump disassembly/assembly because the fuel gauge sender unit is integrated with the fuel pump. (See FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY .)

Verify that the resistance at fuel gauge sender unit terminals D and C is as indicated in the table according to the height of the float.

Fig 1: Checking Float Highest Position Measurement
Courtesy of MAZDA MOTORS CORP.

Fig 2: Float Position Graph
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the fuel gauge sender unit.