b18a1 in ef HELP!

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Old Dec 8, 2011 | 01:47 PM
  #1  
EFin Baby J's Avatar
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Default b18a1 in ef HELP!

ok, so i have a ls swap in my ef hatch.

setup
b18b1 head
b18a1 intake mani
b18a1 block
arp rodbolts
ctr pistons
arp headstuds
gsr waterpump
b20 oil pump
stock clutch
7.5lbs flywheel
obd1 injectors

ok so im still obd0 except injectors. and im having trouble with the vacuum lines, and when i start my car, it idles a lil low/high at times. sounds a lil sluggish and it'll die after a few seconds.
i drove the car before on obd0 PR4 ecu and it'll idle a lil high and when coming to a complete stop, dies. after starting it again right after it idle is around 600(even when giving it gas)and shut off immediately. then i fire it up again and the same but then giving it gas and it'll take off. but eventually do it again.
with the pw0 ecu it hesitates to take off. and eventually do the same.

on thanksgiving, i cleaned the fitv and iacv, and it sound perfect, idle great. but didnt drive it that night. then woke up the next day to go to work an it was sluggish and died. now i cant keep it at idle ang keeping it from shutting off. i dont know whats going on. miss my hatch and want it back on the road.

ecu codes
PR4 code 13 baro sensor
PW0 code 15 ignition output 21 vtec solenoid 23 knock sensor

thanks alot H-T in advance.
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Old Dec 10, 2011 | 07:24 AM
  #2  
EFin Baby J's Avatar
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Default Re: b18a1 in ef HELP!

nothing guys? anybody gots any pics of there vacuum diagram that they r using? any ideas as of whats wrong?
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Old Dec 10, 2011 | 07:45 AM
  #3  
91efbluehatch's Avatar
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Default Re: b18a1 in ef HELP!

post up pics of your intake manifold and your vacuum lines
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Old Dec 10, 2011 | 07:55 AM
  #4  
crvtectim's Avatar
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Default Re: b18a1 in ef HELP!

Wait, so you're trying to run a vtec ecu on a non-vtec motor with injectors that may or may not require the use of a resistor box? You need to provide us with some more info here in order for us to help you out.
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Old Dec 10, 2011 | 08:01 AM
  #5  
91efbluehatch's Avatar
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Default Re: b18a1 in ef HELP!

totally just caught that.
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Old Dec 13, 2011 | 09:47 AM
  #6  
EFin Baby J's Avatar
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Default Re: b18a1 in ef HELP!

well i've tried using a pr4 ecu. an its at high idle at first then idle suddenly it drops down to 600rpms then dies out. with the pw0 ecu, it accelerates slow, so kinda struggles. and starts idling .and i know about the injectors. resister box deleted. there d15b7 injectors. what more info do u need?
an im using a b16 in ef vacuum diagram.

and yesterday i added a thicker ground. and i had these codes.

PR4 code 9 CYP sensor 13 baro sensor
PW0 code 21 vtec solenoid 23 knock sensor
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Old Dec 13, 2011 | 11:29 AM
  #7  
BrandonR's Avatar
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From: Augusta GA
Default Re: b18a1 in ef HELP!

Your PR4 ECU is toast. Go get another one. Dont use the PW0 it's not for an LS.
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Old Dec 14, 2011 | 02:14 PM
  #8  
EFin Baby J's Avatar
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Default Re: b18a1 in ef HELP!

i know the pw0 isnt for ls. its just that those are the only 2 ecu i have. i was using the pr4 ecu when i swapped mpfi. and then i got the pw0 for the vtec in my mini me. but now im searching for a pm6 (dont want any cel's when theres nothing wrong)
so ima look for another ecu. but any other insights?

Last edited by EFin Baby J; Dec 15, 2011 at 12:19 PM.
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Old Dec 16, 2011 | 09:05 AM
  #9  
EFin Baby J's Avatar
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Default Re: b18a1 in ef HELP!

just incase, with my cyp sensor, i have a obd1 ls dizzy as well, is the cyp sensor interchangeable? cuz they look a bit different, but i jus want to kno b4 doing anything else.
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