FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Fuel Supply Diagnosis

INTRODUCTION
The fuel supply device is used to supply an appropriate mixture to the engine. The device is configured of the fuel tank, fuel filter, fuel pump and the fuel pipe that couples each part.

TROUBLESHOOTING STRATEGY
Use these steps to plan your diagnostic strategy. If you follow them carefully, you will be sure that you have exhausted most of the possible ways to find a fuel supply fault.

1. Gather information from the customer.Engine malfunctions caused by insufficient fuel supply can be caused by faults in the fuel pipe, hose, or fuel pump module, etc.
2. Verify that the condition described by the customer exists.
3. Find the malfunction by following the Symptom Chart.
4. Verify malfunction is eliminated.

SYMPTOM INSPECTION PROCEDURE
Engine Malfunctions Due to Insufficient Fuel Supply 1