My fiero is a 2.8 v6 and has been rebuilt, anyways i recently had an issue with the oil sender. So i bought a mechanical oil gauge and made a t intersection to the sender would still be on top. Well the wires i think stretched and broke inside because well i stressed the connector to fit on top of the sender. so it stopped working and my car would shut down, with that being said i had my mechanic fix it and all he did was rewire it so the car would start and he wired it to my COMPUTER. The Orange wire that is apparently always hot. I got it back and washed the car engine and outside. well after that i drove it home and turned the key to the off position. Everything but the engine shuts down. HEEEEELLLLPPPP!

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Edward Moss

Pull the spark plug wire off the coil. but use insulated pliers so u don't get shocked that will stop car from running right now..

I can shut it down if i pull the computers fuse, but i want to know what could be causing it.

Unplug the fuel pump relay or the connector to the fuel pump, or like what was said earlier pull the coil wire from the distributor and use insulated pliers.

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ARCHIES JUNK IS FASTER THAN SHAUNNA'S JUNK
12.3 is faster than a 13.2

I would be careful of pulling a coil wire as you have the Ignition module right there. just pull the fuel pump fuse.

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[This message has been edited by tshark (edited 09-08-2018).]

quote Originally posted by AaronM: I can shut it down if i pull the computers fuse, but i want to know what could be causing it.

If I read your post right, I'd say it was your mechanic. It sounds like a jury-rig..

Ok so yes it stipped after about mid-day today and by the way it never did it before that mechanic touched it. This is why i dont let others touch my baby, im 18 and learned this.

quote Originally posted by AaronM: This is why i dont let others touch my baby,

The thing about mechanics(and computer techs) is "bad ones make more money" as they take longer and throw parts at it. And it always costs more to do it wrong.
Being 18, now is the time to learn how to do it yourself.

Now here is the problem with the car, a bad fuel pump relay. to explain
the oil sender only goes to the gauge AND as a BACKUP in case the fuel pump relay dies, IE once it gets good oil pressure it will activate the bypass/backup to the fuel pump, it does not go the the computer. so if it wouldn't run when the oil sender got disconnected then the relay is bad(or possible the ECM) but most likely the relay.
I am also guessing it had kinda a long crank time before it started? IE to build up oil pressure to kick on the pump.

A GOOD Lesson, if some one wants to hot wire ANYTHING because it doesn't work, they DO NOT know what they are doing. (like a bad computer tech, if they want to reinstall windows, they do not know what they are diong)

AND if you have to go to a mechanic and he asks you to pop the hood to see the engine, LEAVE right away.
Also if you have to go some place where they jack up the car make sure they stay away from the coolent tubes, just an FYI. (IE tell them where to jack it) being 18, as most of us are when we are that age, a bit intimadated by new things etc, but it is sooo much easier to say "hey jack it here" than "you broke my coolent tubes fix it" as the latter NEVER works out. Just trying to help you out.


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"DRIVE IT LIKE A FIERO"
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[This message has been edited by sardonyx247 (edited 03-03-2015).]