92 civic vx, on the upper firewall theres two solenoid connected together, theres two vaccum to them and a wire plug. what do these do? are they needed for a b18b swap or can i pull them and cap off the vaccum nipple? thank you

 

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i think that's egr. the vx is the only civic with it (i think). i would need a pic to be sure. If it is egr, then scrap it. your b18 doesn't use it.