EGR Valve Questions
Thread Starter
Junior Member

Joined: Nov 1999
Posts: 67
Likes: 0
From: Newmarket, ON
Car: 1986 Z28
Engine: 305
Transmission: 700r4
Axle/Gears: 3.23
EGR Valve Questions
Does anyone know where the vacuum line on the EGR Valve connects to?? Mine was not hooked up when I got the car and I don't know where it should go to.
Member
Joined: Dec 2000
Posts: 146
Likes: 0
From: tulsa, OK,USA
Car: 77 Corvette
Engine: ZZ3/nitrous
Transmission: THM 400
The vacuum line should go from the EGR valve to a solenoid, just to the passenger side of the intake manifod, at the rear, and then to a port on the throttle body.
Cheers
Richard
Cheers
Richard
Thread Starter
Junior Member

Joined: Nov 1999
Posts: 67
Likes: 0
From: Newmarket, ON
Car: 1986 Z28
Engine: 305
Transmission: 700r4
Axle/Gears: 3.23
That's weird the vacuum lines from my EGR Solenoid go to the plenum and the other goes to the charcoal canister. I guess this is wrong. If it didn't come from the factory this way I don't know why someone would hook it up like this.
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