EGR Solenoid Routing
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Joined: Nov 2001
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From: Palos Hills, IL
Car: 1988 IROC
Engine: 383 SP
Transmission: 700r4
Axle/Gears: Dana S60 4:10
EGR Solenoid Routing
On the L-98 TPI egr solenoid, which port is the vacuum supply and which port goes to the egr?
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The Gray line is routed to the bottom port. The black line is routed to the top port:
The gray line should be connected to the "T" fitting under the throttle body. The black line connects to the EGR valve pilot diaphragm.
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