| 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 leaks.
- Blocked or contaminated fuel filter.
- Fuel injection supply manifold.
- Vacuum hoses.
| - Wiring harness.
- Electrical connector(s).
- Fuel injector(s)
| - 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 concern is not visually evident, verify the symptom and refer to WDS to diagnose the system.
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