Fuel System Trouble in General: Inspection
| Trouble | Possible cause | Corrective action |
|---|---|---|
| Insufficient fuel supply to injector | a. Fuel pump does not operate. | |
| ◦ Defective terminal contact | Inspect contact, especially ground, and tighten it securely. | |
| ◦ Trouble in electromagnetic or electronic circuit parts | Replace the faulty parts. | |
| b. Decline of fuel pump function | Replace the fuel pump. | |
| c. Clogged fuel filter | Replace the fuel filter. Clean or replace the fuel tank if necessary. | |
| d. Clogged or bent pipe, hose or tube of fuel line | Clean, correct or replace the pipe, hose or tube of the fuel line. | |
| e. Air is mixed in fuel system. | Check the fuel line connections, and repair or replace the defective part. | |
| f. Damaged diaphragm of pressure regulator | Replace the pressure regulator. | |
| Leakage or run-out of fuel | a. Loose connection in pipe, hose or tube of fuel line | Check the fuel line connections, and repair or replace the defective part. |
| b. Cracks in pipe, hose or tube of fuel line | Replace the pipe, hose or tube of the fuel line. | |
| c. Cracks or defective welded part of fuel tank | Replace the fuel tank. | |
| d. Clogged or bent pipe, hose or tube of fuel line | Clean, correct or replace the pipe, hose or tube of the fuel line. | |
| Gasoline smell inside of compartment | a. Loose connection in pipe, hose or tube of fuel line | Check the fuel line connections, and repair or replace the defective part. |
| b. Improper installation of rubber saucer | Correct or replace the rubber saucer. | |
| c. Defective canister | Replace the canister. | |
| Defective fuel gauge | a. Defective operation of fuel level sensor | Replace the fuel level sensor. |
| b. Defective operation of combination meter | Replace the combination meter. | |
| Noise | a. Big operation noise or vibration from fuel pump | Replace the fuel pump. |
NOTE:
- When the vehicle is left unattended for an extended period of time, water may accumulate in the fuel tank. Fill fuel fully to prevent the problem.
- In snow-covered areas, mountainous areas, skiing areas, etc. where ambient temperatures drop to 0°C (32°F) or less throughout the winter season, use a water removing agent in the fuel system to prevent freezing fuel system and accumulating water.
- When water is accumulated in fuel filter, fill the water removing agent in the fuel tank.
- Before using water removing agent, follow the cautions noted on the bottle.