Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

b18 swap start trouble

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Old Jan 11, 2007 | 08:54 PM
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Default b18 swap start trouble

I have just swapped a b18a out of a 93 Integra LS into my 98 Honda Civic HX. We have redone the grounds, new Distro Cap and Rotor. The Spark plugs are new and the Wires are in the right order. I am running a P28 with an S200 Hondata on it. We are using the wiring harness out of the HX for the engine and the injectors from the b18. The wiring for the injectors are from the b18. We have tried hooking up a resistor to the injectors. When we spray intake with carb cleaner the engine cranks and dies shortly after. Fuel is getting to the injectors however the injectors are not getting the pulse code to spray fuel. The engine turns and sometimes putts but wont fully crank. Question #1, What all should be grounded? 2# What could prevent the injectors from getting the pulse tho spray fuel. 3# could th map sensor not being plugged play a factor in this? 4# is there a certain way the resistor is supposed to be hooked up or do i even need one? PLZ Help as soon as i can see that the engine is running well i am going to put on my turbo which i am tired of just looking at.


Modified by cilvercivic at 10:10 PM 1/11/2007
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Old Jan 11, 2007 | 09:00 PM
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Default Re: b18 swap start trouble (cilvercivic)

you sould of used the HX injectors.. the are the same size and work with obd-1..
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Old Jan 11, 2007 | 09:03 PM
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Default Re: b18 swap start trouble (gezzuzz)

also note that we have tried to use b16a1 injectors also still getting the same results. could the injectors i am using create a problem with the wiring harness?
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Old Jan 11, 2007 | 09:07 PM
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Default Re: b18 swap start trouble (cilvercivic)

b16a1? guess that mean the 1st gen b16a..

obd-0 injector are diferent then obd-1 and 2 injector..

i would wire the hx injectors in like the harrness was..

obd-0 Peak and Hold
obd-1/2 Saturated
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Old Jan 11, 2007 | 09:13 PM
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Default Re: b18 swap start trouble (gezzuzz)

obd1 injectors can't be used with a obd2 harness? well i need to buy 450 injectors to run my turbo at 15psi. which should i get. what else i mentioned < or didn't> in the previous post could play a factor in my engine not starting?



Modified by cilvercivic at 10:25 PM 1/11/2007
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Old Jan 11, 2007 | 09:26 PM
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Default Re: b18 swap start trouble (cilvercivic)

ok . i went back to you first post and read it agian.. you wired obd-1 injectors to the obd-2 harrness..

why were you connecting a resistor to them?

did you check if they were getting power?
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Old Jan 11, 2007 | 09:32 PM
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Default Re: b18 swap start trouble (gezzuzz)

check the ground that is on the thermostat housing...
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Old Jan 12, 2007 | 05:47 AM
  #8  
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Default Re: b18 swap start trouble (gezzuzz)

alright, when i go to work on my car today i am going to take the resistor off, and check the ground on the thermostat housing. is there anything else you can think of? also i think the wiring from the b18 is being used on the injectors and is being wired to the rest of the hx harness.


Modified by cilvercivic at 6:57 AM 1/12/2007


Modified by cilvercivic at 9:41 AM 1/12/2007


Modified by cilvercivic at 10:25 PM 1/12/2007
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