Colt Vista AWD L4-1795cc 1.8L SOHC (1992)
EGR Control Valve: Testing and Inspection
EGR Solenoid Test
EGR Solenoid Location
1. Disconnect the yellow striped vacuum hose and the green striped vacuum hose from the solenoid valve.
2. Disconnect the electrical harness connector.
3. Connect a hand vacuum pump to the nipple which the green striped hose was connected to.
4. Connect jumper leads to the solenoid terminals.
EGR Control Solenoid Valve Voltage Test
5. While applying vacuum to the solenoid apply battery voltage directly to the solenoid terminals.
Vacuum should HOLD.
6. Discontinue voltage. Vacuum should LEAK.
EGR Control Solenoid Valve Resistance Check
7. Measure the resistance between the terminals of the solenoid valve.
