EGR1 - Check EGR Control Solenoid

^ Key OFF.

^ Disconnect the EGRC solenoid.





^ Blow into port A and verify that air does not flow.

^ Apply 12 volts and ground to the EGRC solenoid as shown in image.

^ Blow into port A and verify that air flows through port B.

^ Does the EGRC solenoid function properly?

YES -- GO to EGR2. EGR 2 - Check EGR Valve

NO -- REPLACE the EGR solenoid.