| Diagnosis and Testing - Verify the customers concern by operating the system.
- Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart | Mechanical | Electrical | - Loose or damaged fuel lines
- Damaged fuel tank
| - Connections
- Wiring loom(s)
- Loose or corroded powertrain control module multiplug
| - 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, use FDS 2000 to diagnose the system
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