1. Do the gauge drive circuit check.
   - If the fuel gauge needle sweeps from the minimum to maximum position and then returns to minimum the gauge is OK. Go to Step 2 .
   - If the fuel gauge needle does not sweep correctly, replace the gauge assembly and retest.

1. Bleed the fuel filter water.

1. Start the engine, then check the engine condition.
   - If the engine condition is OK, go to Step 4 .
   - If the engine condition is not OK, do the symptom troubleshooting.

1. Turn the ignition switch OFF.

1. Disconnect the fuel filter water level switch 2P connector (A).