Help with mpfi
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Trial User
Joined: Aug 2018
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Help with mpfi
I have a 1990 Honda Civic with a b18b1 from a 95 Integra. It has dpfi with a p75 ecu. Could some tell me where the distributor wires plug into the ecu. I've looked and everything I've found says put c1/2 into b10/12 but the p75 only has a,b,d. Any advice would be great.
Honda-Tech Member
Joined: Nov 2017
Posts: 333
Likes: 20
From: Flyover Country West Annex
Re: Help with mpfi
So you have a dpfi harness that you are converting to mpfi? The guides are for converting to OBD0 mpfi, but the P75 is an OBD1 ECU. You need to convert the harness as the guides indicate and get an adapter harness. Otherwise you need to replug/pin the whole ECU end of the harness to mate to the P75.
Thread Starter
Trial User
Joined: Aug 2018
Posts: 2
Likes: 0
Re: Help with mpfi
So you have a dpfi harness that you are converting to mpfi? The guides are for converting to OBD0 mpfi, but the P75 is an OBD1 ECU. You need to convert the harness as the guides indicate and get an adapter harness. Otherwise you need to replug/pin the whole ECU end of the harness to mate to the P75.
Honda-Tech Member
Joined: Nov 2007
Posts: 1,368
Likes: 64
From: Lincoln Ne
Re: Help with mpfi
they dont plug to the ecu
you already have a jumper harness installed thats the only way you can have that ecu connected right now
so pay attention and youll see where that jumper harness its plugged in to the stock connections of the car
those are your obdo connections those are the a b and c plugs
the two wires that came off go to those
with me so far?
you already have a jumper harness installed thats the only way you can have that ecu connected right now
so pay attention and youll see where that jumper harness its plugged in to the stock connections of the car
those are your obdo connections those are the a b and c plugs
the two wires that came off go to those
with me so far?
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