VIN M, VIN Y

Perform the "Fuel Line Safety Procedure" referring to the "BEFORE SERVICE PRECAUTION".
(See .) (See BEFORE SERVICE PRECAUTION (VIN M) .) (See BEFORE SERVICE PRECAUTION (VIN Y) .)
If the fuel gauge level indicates 8/16 or more, refer to the "FUEL DRAINING PROCEDURE" and drain the fuel.
(See .) (See FUEL DRAINING PROCEDURE (VIN M) .) (See FUEL DRAINING PROCEDURE (VIN Y) .)
Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the fuel gauge sender unit (main). (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION .)

Verify that the resistance at fuel gauge sender unit terminals F and C is as follows according to the height of the float.

Resistance when float is in the highest position

Resistance when float is in the lowest position

197-203 ohms

Courtesy of MAZDA MOTORS CORP.

If the resistance is not within the specification, replace the fuel gauge sender unit. (See FUEL GAUGE SENDER UNIT REMOVAL/INSTALLATION .)