Ls swap help?

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Old Mar 25, 2002 | 09:42 AM
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From: MKE
Default Ls swap help?

So...my si harness has 3 airflow sensor plugs and the 95ls has 4 as you can see...the top sensor on the ls was a vaccum hose on my si. Do I need to add another plug? if so what do I splice it into? Here is a picture of the ls manifold.



-Jake


[Modified by SuperHatch, 6:44 PM 3/25/2002]
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Old Mar 25, 2002 | 10:04 AM
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Default Re: Ls swap help? (SuperHatch)

On the firewall next to the stock MAP sensor there are two canisters and a 4P connector. What I did was use the solenoid farthest from the MAP sensor, and de-pinned the other solenoid.
I have been running like this for over a year, no problems.
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Old Mar 25, 2002 | 12:13 PM
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Default Re: Ls swap help? (Doodoo)

On the firewall next to the stock MAP sensor there are two canisters and a 4P connector. What I did was use the solenoid farthest from the MAP sensor, and de-pinned the other solenoid.
I have been running like this for over a year, no problems.
so you are running all sensors then? im not quite sure i follow
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Old Mar 25, 2002 | 12:27 PM
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Default Re: Ls swap help? (Doodoo)

kids is the best movie ever.
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Old Mar 25, 2002 | 01:28 PM
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Default Re: Ls swap help? (SpooN Man)

kids is the best movie ever.

oh the wiring is that movie.....
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Old Mar 25, 2002 | 02:19 PM
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Default Re: Ls swap help? (TorteX)

The sensor I am talking about is the farthest on the left in the pic.
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Old Mar 26, 2002 | 06:20 AM
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From: MKE
Default Re: Ls swap help? (Doodoo)

so you used the furthest sensor as the map sensor? Could you go into a litte more detail? I think I understand what your talking about, but im not quite 100%. Thanks alot for the help.

-Jake
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Old Mar 26, 2002 | 06:23 AM
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Default Re: Ls swap help? (SuperHatch)

ok maybe I don't get what you are asking. Are you looking for where to plug the sensor on the left of the manifold(held on by one screw) or where to plug in the MAP sensor(on top of the throttle body)?
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Old Mar 26, 2002 | 05:26 PM
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Default Re: Ls swap help? (SuperHatch)

Actually, a 1995 Integra has NO airflow sensors. The sensor on the top of the throttle body is the MAP sensor. The MAP sensor is located on the throttle body on all 1994+ Integras but on the firewall on the CRX. All you need to do is run the stock CRX MAP sensor plug to the Integra MAP sensor. You can do this without any cutting or soldering. Or for a cleanewr install, you can lenghten the wires so that they can be neatly run along the firewall.

The plug on the back side of the throttle body is the TPS. The original TPS plug on the CRX harness will work fine without modifications as long as it is not a DX. If it is, you will need to interchange the positions of the outer two pins on the plug. You might also need to lengthen the wires.

The cylindical thing on the manifold is not a sensor at all. It is the IACV. Again, just connect it as you would the stock CRX IACV. The 'sensor at the left is also not a sensor at all. It is the purge valve. This is actually located on the firewall of the CRX. And you will need to extend the wire to the purge valve. If the car is an SI and you are running the 1994-1995 ECU (which you should), you will need to change the wiring to the purge valve slightly. On the SI, the purge valve has a wire to the ECU and a wire to ground. You will need to change the ground to a hot wire with the 1994-1995 ECU.
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