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EGR Solenoid Testing

Snort

Active Member
Joined
January 26, 2001
Messages
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City, State
Seattle, WA
Year, Model & Trim Level
94 XLT
I have a 89 2.3L that I'm trying to troubleshoot. This motor has a EGR solenoid on the passenger side of the engine compartment, fed by a red vacuum line from the motor, and a green vacuum line which feeds the EGR valve diaphragm. It has a single wire connector with red and black wires.

Pulling vacuum on the red line does not build any negative pressure, and I can hear what sounds like a reed valve fluttering inside the solenoid. Applying 12V to the red and black terminals gives a little spark but no movement or noise inside as I would expect a solenoid to make.

Does anyone know how to properly test these?

Thanks!
 






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