HE22 - Check EGR System Hoses For Integrity and Connection

NOTE: A pinched or plugged EGR vacuum hose can trap vacuum between the EVR solenoid and EGR valve not allowing the EGR valve to close.

- Key Off.

- Trace each vacuum hose from EVR solenoid and verify that each hose is connected correctly. (Refer to vehicle's vacuum diagram label.)

- Verify that the EGR valve vacuum hose is not pinched or plugged and routed properly.

- Are vacuum hoses OK?

YES -- RECONNECT vacuum hoses. GO to HE23. HE23 - Check For EGR Flow at Idle - EVR Solenoid Connector Off

NO -- SERVICE vacuum hoses as necessary. RECONNECT all components. Complete PCM reset to clear DTCs. Clearing Diagnostic Trouble Codes

Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes