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Emission's removal and AFPR questions

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eldiabloz13

15+ Year Contributor
612
8
Mar 2, 2005
Fairhaven, Massachusetts
Will this AFPR work well enough on our cars?

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Also Im removing all my emissions because MA just ruled 91's dont need to pass anymore. So can ya'll give me some advice on how I did on the removal. Is there anything I missed or should have kept. Also what is this box that is labeled number 1. What is its purpose and what does it do? Same question for 2 and 3. I plan on keeping my cruise control so I was woundering if I can just get rid of box number 2 and still be fine?

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Can I also just disconnect this? Its the stock boost controll sylenoid right?

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Plus when I was going through the wires I noticed that this harness was taken a part it seems to be rewired. But why is this wire connected straight to my ground?

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Also if anyone can tell me what these are too. They look like they might have came off the harness showed previously. And for good measure the two connectors with the line going to them just go on the back of the intake right?

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Well the wires in the last picture that your talking about have a male and a female connector together but the other end dosent have wires. Same thing goes for the middle circled one too. Do any of the wires have to deal with the 2nd to last picture in the first post?
 
Wires are so confusing. The connector with one side without wires should be the connector you ground when adjusting the BISS. The others, I can't be sure.

The FPR should work, as long as it raises fuel pressure in a 1:1 ratio with boost.
 
Wires are so confusing. The connector with one side without wires should be the connector you ground when adjusting the BISS. The others, I can't be sure.

The FPR should work, as long as it raises fuel pressure in a 1:1 ratio with boost.

So it isnt for the o2 sensor, it is what the black wire in the last picture of the first post should be connected to?The one with the red line leading to it and stops.

Also so Ill be fine if I put that on and break my engine in? I mean how far can they be off usually?
 
I'll try and help as much as i can here:
In the pic with the three boxes, box one im not to sure, box 2 if your keeping the cruise than im pretty sure your going to have to keep that there. Box three is a couple solenoids, fuel pressure, evap etc. it can be removed.
The next pic, yes thats the boost control solenoid, im not to sure if that can be removed or not, im actually wondering that myself too...
In your last pic, the two circled connectors, one is for testing fuel pump, and the other for setting base timing. And the two connectors with the line between them, the top one is for your knock sensor i think, and the bottom one might be for the a/c compressor, not positive on that one though.
Im not sure about the pics with the wire going to ground.
Hope this helped abit.
 
yeh it did I took off the solenoids completely and just left that plug hangen with tape around it. As for the rest I got the general idea. I just need some other peoples info on what they might be, as well as what they connect to or if they go to that harness.
 
Also if anyone can tell me what these are too. They look like they might have came off the harness showed previously. And for good measure the two connectors with the line going to them just go on the back of the intake right?

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the red circle on the left is the plug for the ground to check the timing , you ground it when checking for timing.and the stock boost controller solenoid can be remove but you have to replace it with another one otherwise you are going to have boost problems.
 
the red circle on the left is the plug for the ground to check the timing , you ground it when checking for timing.and the stock boost controller solenoid can be remove but you have to replace it with another one otherwise you are going to have boost problems.

Yeh I have a MBC Im putting on but its New England so things rust around here. Can I just leave that unplugged from the hoses and stuff it some where or do I have to unplug it and tape the connector off and stuff it somewhere.
 
Yeh I have a MBC Im putting on but its New England so things rust around here. Can I just leave that unplugged from the hoses and stuff it some where or do I have to unplug it and tape the connector off and stuff it somewhere.

You should be good as long as you don't forget to plug it in when you are ready to run it again. And keep the plug lubricated with some lithium grease so i won't get rusty.
 
The Boost Control Solenoid doesn't need to be plugged in on a 1g. But you will need a manual boost controller running from the J-pipe to the waste gate. Your car is stock correct. If you are using an aftermarket turbo that doesn't use a J-pipe then you can tap into the intake manifold for the boost source. Also #3 can be completely removed but I would suggest replacing the bolts into the holes in the firwall as it is a good mounting point for a Adjustable Fuel Pressure Regulator later on down the road.
 
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