plymouth Workshop Repair Guides

Plymouth Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 3233 > < Initial Inspection and Diagnostic Overview
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EGR Control Valve: Component Tests and General Diagnostics

CALIFORNIA VEHICLES ONLY

EGR Solenoid Circuit

Testing The EGR Control Solenoid Valve

COMPONENT TEST:

1. Disconnect the vacuum hose(s) from the solenoid valve.
2. Disconnect the electrical harness connector.
3. Connect a hand vacuum pump to the vacuum hose nipple.
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.

Initial Inspection and Diagnostic Overview|Page 3233 > < Initial Inspection and Diagnostic Overview