Inspection and verification
1. Check the validity of the customer's complaint by using the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual inspection table
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Mechanical factors |
Electrical factors |
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– Sensors and controls – Exhaust gas recirculation system clamps – Cracking of the exhaust gas recirculation pipe – Presence of leaks in vacuum pipelines – Presence of leaks in the coolant lines – Exhaust gas recirculation system gaskets |
- Loosening of the attachment or corroding of the connections of the exhaust gas recirculation vacuum regulator – Loose or corroded electrical connectors of the powertrain control module - Wiring harness |
3. If an obvious cause for the problem you have identified or the customer has described is found, correct it (if possible) before proceeding with further actions.
4. If the cause is not visually obvious, check the symptom and refer to FDS 2000.
Visitor comments