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1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve

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Old 06-19-2008, 01:52 PM
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Default 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve

As the title states, I have a CEL after my swap and don't know how to fix it. Apparently no Integras came with EGRs so I'm wondering why the computer is confused. I'm sure people have run into this before--how can I fix it?
Old 06-22-2008, 07:28 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (JohnnyWash1)

you have a auto ecu.they had egr's
Old 06-23-2008, 11:12 AM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (IMPORT JEDI)

I thought the auto ECU wouldn't work with a manual?
Old 06-23-2008, 03:18 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (JohnnyWash1)

if you have a pr4 ecu and a egr code it is a auto ecu.from a 92-93 integra.
Old 06-23-2008, 03:53 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (IMPORT JEDI)

Interesting. I guess I'll have to switch to a P75 manual. Thanks guys!
Old 06-23-2008, 09:23 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (JohnnyWash1)

Auto PR4's all support the EGR. is your vehicle OBD0 or OBD1?
Old 06-24-2008, 10:11 AM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (Tomdata)

The car is a 1995 Civic, but the motor is a LS from a 1997 Integra. My Ecu is an OBD1 PR4.
Old 06-24-2008, 06:17 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (JohnnyWash1)

Get the ecu chipped with a upgraded LS basemap and you should be good to go.
Old 06-24-2008, 09:21 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (Tomdata)

The shop that I purchased the engine from is willing to "fix" the ECU. Is this safe or normal?
Old 06-25-2008, 06:00 PM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (JohnnyWash1)

how are they going to fix it?the only right way would be to chip it and tune it.
Old 06-26-2008, 11:01 AM
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Default Re: 1995 Civic with B18B swap PR4 ECU and I'm getting Code 12 EGR Lift Valve (IMPORT JEDI)

I don't know. He said he could remove some stuff and put in a diode or something. Honestly, I didn't press him for info. I'm still debating getting another ECU.
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