FixVault

Fuel Gauge Sending Unit Test

WARNING: This page is about a different car, the 1994 Honda Prelude. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure ignition switch is in OFF position. Remove fuel gauge sending unit access cover in luggage compartment. Disconnect connector from fuel gauge sending unit.
  2. Remove fuel gauge sending unit. Use an ohmmeter to measure resistance between fuel gauge sending unit terminals with sending unit float held at empty (down), half-full (middle) and full (up) positions. Compare readings with FUEL GAUGE SENDING UNIT RESISTANCE table. If resistance values are incorrect, replace fuel gauge sending unit.
FUEL GAUGE SENDING UNIT RESISTANCE

Float Position Ohms
Empty 16-32
Half-Full 116-188
Full 239-314