Diagnostics and checks (1.8 l diesel)

Inspection and verification

1. Check the legitimacy of the customer's complaint by activating the system.

2. Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Table

Mechanical factors	Electrical Factors
– Sensors and controls – Clips of system recirculation of the fulfilled gases – Cracking of the exhaust gas recirculation pipe – Presence of leaks in the vacuum lines – Presence of leaks in the coolant lines – Gaskets of the exhaust gas recirculation system	– Loose or corroded connections on the EGR vacuum regulator – Loose or corroded powertrain control module electrical connectors – wiring harness

3. If an obvious cause of the problem you identified or described by the client is found, eliminate it before proceeding to further actions (if possible).

4. If the cause is not visually obvious, check the symptom and refer to FDS 2000.