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| JDM Motor & Parts info/chat Discussions on Mugen, Spoon etc. Plus, info on motor swaps (b18 's, b16's h22's etc) and other JDM info! |
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#1
10-27-2004, 01:01 AM
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b18 OBD I or OBD II?
I just purchased a b18c1 for cheap but it has no distributor. how can i tell if it is obd I or obd II? there isnt a transmission or a vin plate. I was told if the distributor has two wires leading to it its obd 1 if it has one solid wire its obd 2. Please Help everybody.
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#2
10-27-2004, 01:09 AM
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Re: b18 OBD I or OBD II?
Yup who ever told you that was telling you the truth, check out this page; specifically the 2 pics on the 6th post down: http://www.honda-tech.com/zerothread?id=550976
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#3
10-27-2004, 01:13 AM
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Re: b18 OBD I or OBD II?
Oh and also you can see the date of the motor on the front of the block, there are circle on it, like this: http://img.photobucket.com/albums/v4.../blockdate.jpg
If it's '96+ then it's OBD2
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#4
10-28-2004, 04:08 AM
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I dont want to sound like an idiot but im new to te wiring side of things but i have the same connector in the first pic. so does this mean its obd I? my friend also told me to look for a black box on the very top of the intake manifold. he said obd I b18's didnt have this box which is a vaacume operated sensor. I have this sensor.
confused.
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#5
10-28-2004, 10:29 AM
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Re: Re: b18 OBD I or OBD II?
Quote:
 Not many ppl knows about that. I found that out by myself suprisingly 
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#6
10-28-2004, 12:29 PM
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Re: b18 OBD I or OBD II?
The first pic is of an OBD2, it has just 1 plug; where the OBD1 has 2 plugs. So your motor is probably an OBD2.
mellowboy - Yeah I had no clue that there was even a date on the motors until my buddy got his h22. But the problem with the figuring out which obd it is by the date isn't always '92-'95 and '96+. That pic of the date thing is from my buddies JDM H22a, it's a '96, but it's actually still obd1. For some reason the '96's in Japan didn't change, wonder if that's the same here now that I think of it...
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#8
10-28-2004, 01:35 PM
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Re: b18 OBD I or OBD II?
Yeah that's weird. I don't know of any other engine that's like that. I just have no clue why they'd make the '96 H22 the cut off year. When he first got it I had to look online cause I figured he got screwed and got an OBD2 engine and that it's be even more of a mess than it was, but apprently that's just the way they did it. Probably cause the Prelude isn't that common so they figured no one would care. Crazy Japanese.
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#9
10-28-2004, 04:49 PM
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Great thanks guys now i just have to figure out what year it is and ill be streat. oh yeah by the way anybody know where i can find an automatic p72 ecu and also does the gsr come automatic.
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#10
10-28-2004, 04:53 PM
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Re: b18 OBD I or OBD II?
There was no automatic GSR, only manual.
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