Little black box by the distributer??
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From: Warsaw, Indiana
Car: 1991 Firebird
Engine: 427 LSX
Transmission: Turbo 400
Little black box by the distributer??
What is that small black thing on a 1990 TPI with two vac lines and an electrical connector going to it? I think it is a vacuum distribution thing for the egr or something?? Can I remove it?
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From: Orygun
Sounds like me its egr solenoid?
If one of the vacuum lines goes underneith the throttle body and the other to a metal "saucer" under the plenum then thats what it is.
Otherwise it might be the MAP sensor.
If one of the vacuum lines goes underneith the throttle body and the other to a metal "saucer" under the plenum then thats what it is.
Otherwise it might be the MAP sensor.
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Supreme Member
iTrader: (3)
Joined: Mar 2000
Posts: 1,287
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From: Warsaw, Indiana
Car: 1991 Firebird
Engine: 427 LSX
Transmission: Turbo 400
yes, since I described it as two vac lines and my map sensor has one..... Anyhow since I have an lt1 intake, I guess I can remove it?
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