DN111 - Check Vacuum Hose to and From EVR Solenoid
- Carefully check EGR vacuum hose from EGR valve to EGR Vacuum Regulator (EVR) solenoid and from EVR solenoid to vacuum source for obstructions, cracks, loose connection, kinks, leaks, etc.
- Are vacuum hoses in good condition?
Yes -- Go to DN112. DN112 - Check EVR Solenoid and Harness For Intermittent Fault
No -- Service as necessary. Clear continuous memory. Clearing Diagnostic Trouble Codes
Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)