Obd0 to obd 1 swap
Honda-Tech Member
Joined: May 2020
Posts: 13
Likes: 0
From: Bay Area, CA
Re: Obd0 to obd 1 swap
On OBD1 ECUs, ecu codes are thrown via the flashing check engine light. A long flash is a 10 and a short flash is 1. So sounds like it's throwing a code 11. According to another thread, it has to do with an IMA sensor.
There is a code 11.. it is for cars that were sold without a catalytic converter.. Code 11 is for a sensor called the IMA sensor.
The IMA sensor manages how much CO is in the exhaust using the O2 sensor as a guage.
Since you didn't mention what ECU you are running, its a guess, but my money is on that you have an ECU looking for an IMA sensor, and a car that doesn't have one.
Your options are to get a different ECU that does not expect an IMA sensor, or do the work to install the IMA sensor the ECU is looking for.
The IMA sensor manages how much CO is in the exhaust using the O2 sensor as a guage.
Since you didn't mention what ECU you are running, its a guess, but my money is on that you have an ECU looking for an IMA sensor, and a car that doesn't have one.
Your options are to get a different ECU that does not expect an IMA sensor, or do the work to install the IMA sensor the ECU is looking for.
Honda-Tech Member
Joined: Nov 2007
Posts: 1,368
Likes: 64
From: Lincoln Ne
Re: Obd0 to obd 1 swap
to go obd1 from obd0 is not only changing out the ecu
you also need the distributer
and the 4 wire 02 sensor
the code your getting sounds like its because the 02 sensor is either not hooked up
or it isnt workin right
thats where i would start looking if it were me
good luck
you also need the distributer
and the 4 wire 02 sensor
the code your getting sounds like its because the 02 sensor is either not hooked up
or it isnt workin right
thats where i would start looking if it were me
good luck
Thread Starter
Honda-Tech Member
Joined: Nov 2019
Posts: 20
Likes: 0
From: Uk
Re: Obd0 to obd 1 swap
to go obd1 from obd0 is not only changing out the ecu
you also need the distributer
and the 4 wire 02 sensor
the code your getting sounds like its because the 02 sensor is either not hooked up
or it isnt workin right
thats where i would start looking if it were me
good luck
you also need the distributer
and the 4 wire 02 sensor
the code your getting sounds like its because the 02 sensor is either not hooked up
or it isnt workin right
thats where i would start looking if it were me
good luck
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