EGR Control Solenoid: Testing and Inspection
Inspection
EGR Solenoid Valve (Vacuum)
1. Remove the EGR solenoid valve (vacuum).
2. Apply battery positive voltage to terminal A and ground terminal B of the EGR solenoid valve (vacuum). Verify that air flows as shown below.
3. If not as specified, replace the EGR solenoid valve vacuum).
EGR Solenoid Valve (Vent)
1. Remove the EGR solenoid valve (vent).
2. Verify that air flows as shown above.
3. If not as specified, replace the EGR solenoid valve (vent).
4. Apply battery positive voltage to terminal A and ground terminal B of the EGR solenoid valve (vent). Verify that air flows as shown above.
5. If not as specified, replace the EGR solenoid valve (vent).