Solenoid Question (Page 1/1)
Nacnud9 OCT 25, 09:44 PM


Hey everybody, I have a quick question.

Context:
I have recently acquired a 1988 v6 fiero GT from a family friend, and it has been sitting around for at least 5 years. It was apparently operational at the time that it was abandoned, however I haven't been able to get it to start. I bought a new battery for it, tried to start it, and then realized that there was no gas in it. By the time I got around to putting more gas in it, the battery had died from a light left on, so I don't know if the car will start until I charge the battery back up.

Question:
Anyways, while I was looking through the engine bay, I realized that there is a loose line(see attached image). I think it is connected to the solenoid(correct me if I'm wrong), but the other end is not connected to anything. I don't know much about working on engines, so I'm not sure what this line is supposed to do or whether it is a problem that it is loose. does anybody have any insight on this? Thanks.

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duncan kelly

Patrick OCT 26, 12:10 AM
Welcome to the forum!

Your new acquisition may have numerous issues (ie no spark, no fuel pressure etc)... and I don't know what that wire is for. [EDIT] After reading the next post by Xenoblast, I realized that the object in your hand was the hose that goes to the EGR solenoid (and not a "wire" of some sort). I should've had my glasses on! Anyway, plug it back into the metal tube on the firewall. If the EGR solenoid isn't being supplied filtered air as it was designed to receive, there's a chance that it'll eventually suffer the consequences.

I see a couple of other things in your photo that may need to be remedied as well. Is that bare wire I see circled on either side of the connection? With it being a "hot" wire, that could be risky. And is that battery cable as close to the water pump pulley as it appears to be?

[This message has been edited by Patrick (edited 10-26-2021).]

Xenoblast OCT 26, 01:39 AM
that plugs into a metal tube that runs along the firewall to the air filter and gets plugged in with pre-filtered air. I dont think it's necessary to have it plugged in there, bc im pretty sure it get its vacuum straight from the throttle body.
Nacnud9 OCT 26, 10:11 PM
Thanks so much Xenoblast and Patrick for the help! I'll make sure to keep this forum updated once I start working on the car.
theogre OCT 27, 12:46 AM
"splices" like that in circle is harder to fix because "water" and all kinds of crap often has wick under the plastic and wire itself often causes rot.


Even if you clean up the mess to see bright copper, the rest keeps rotting and gets weaker and weaker and often burns up.

Best is replace the battery cable and wire to + "box" under C500 using using ACDelco Battery Cables and Weather Resistance crimps installed w/ proper crimp tool that crimp but won't cut insulation.
Then shrink them w/ heat gun. Or very careful use of a lighter.
Open flames often damage the heat shrink tube and wire insulation trying to shrink the tube and melt the "glue" inside.

Note: Proper crimp tools may need adjustment because WR crimps have different size insulation vs standard insulation crimps even if made same Co and have exact same metal part. When/How adjust depend on tool used.

Why ACDelco battery cable?
See my Cave, Wire Service
But New cables don't have Fusible Links unless you find NOS in some stores.

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)


The Ogre's Fiero Cave