DL107 - Inspect PFE/DPFE Signal Line(s)

- Key "OFF".

- Disconnect Pressure Feedback EGR (PFE) / Differential Pressure Feedback EGR (DPFE) signal hoses at the sensor.

- Inspect sensor and signal line(s) for any signs of contamination, obstruction or leaks.

- Is there a fault indicated?

Yes -- Isolate fault and service as necessary. Clear continuous memory. Clearing Diagnostic Trouble Codes

Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Reconnect all components. Go to DL108. DL108 - Inspect EVR Solenoid