| Diagnosis and Testing Inspection and Verification - Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart | Mechanical | Electrical | - Fuel level
- Fuel leak(s)
- Fuel line(s)
- Fuel filter
- Fuel tank
- Fuel tank filler pipe
- Fuel filler cap
| - Fuse(s)
- Relay(s)
- Electrical connector(s)
- Wiring harness
- Inertia fuel shutoff (IFS) switch
- Fuel pressure regulator
- Fuel pump module
| - If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to WDS.
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