Fuel Level Sensor (Sender Gauge) Inspection

Remove fuel pump assembly referring to FUEL PUMP .

Use an ohmmeter to confirm that resistance of sender gauge unit changes with change of float position.

If measured value is out of specification, replace fuel sender gauge.

Fuel level sensor specifications 

Fig 1: Fuel Level Sensor Specifications Table

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Checking Fuel Level Sensor Resistance

Courtesy of SUZUKI OF AMERICA CORP.