Symptom | Possible Sources | Action |
Engine cranks but does not start | * Fuel charging and controls. | * |
* IFS. | * RESET the IFS if it has been activated. If the IFS has not been activated, REFER to WDS |
* Contaminated fuel. | * |
Poor starting | * Fuel charging and controls. | * |
* Contaminated fuel. | * |
Engine starts but immediately stops | * Fuel charging and controls. | * |
Poor idling | * Fuel charging and controls. | * |
* Contaminated fuel. | * |
Engine lacks power | * Fuel charging and controls. | * |
* Engine management system. | * |
* Fuel filter blocked. | * |
* Contaminated fuel. | * |
Engine misfire | * Ignition system. | * |
* Fuel charging and controls. | * |
Excessive fuel consumption | * Fuel charging and controls. | * |
* Contaminated fuel. | * |
Fuel filler nozzle shuts off prematurely. | * Fuel tank ventilation pipe or hose blocked. * Fuel tank ventilation pipe or hose collapsed. | * CHECK the fuel tank ventilation pipe or hose for obstruction or damage. INSTALL a new fuel tank ventilation pipe or hose. |
* Fuel tank filler pipe or hose blocked. * Fuel tank filler pipe or hose collapsed. | * CHECK the fuel tank filler pipe or hose for obstruction or damage. INSTALL a new fuel tank filler pipe or hose. REFER to Section 310-01 Fuel Tank and Lines. |
* Fuel gauge indication. | * |
* Fuel filler nozzle at fuel filling station not functioning correctly. | * VERIFY condition by using a known good fuel filler nozzle. |
Fuel loss after nozzle shutoff or during refilling. | * Fuel tank filler pipe or hose leaking. | * CHECK the fuel tank filler pipe and hose for evidence of a fuel leak. If a leak is evident, INSTALL a new fuel tank filler pipe or hose. REFER to Section 310-01 Fuel Tank and Lines. |
* Fuel tank leaking. | * CHECK the fuel tank for evidence of a fuel leak. If a leak is evident, INSTALL a new fuel tank. REFER to Section 310-01 Fuel Tank and Lines. |
* Fuel tank ventilation pipe or hose leaking. | * CHECK the fuel tank ventilation pipe or hose for evidence of a fuel leak. If a leak is evident, INSTALL a new fuel tank ventilation pipe or hose. |