How Do I Tell If Motor Is Obd 1 Or 2?

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I am about to buy a B18C but i need to know if it is OBD 1 or 2 ? I need to know by looking at the motor or ECU because i dont know what year integra it came out of.

P.S. I want to put it into my 92 Civic Cx Hatch so im hoping it's OBD 1.


Senior Member
If you are referring to a GSR, that was made from 94-01, so it could be OBD1 or 2. If it is an ITR, it will OBD2. You can look at your ECU and tell, I can't find the picture right now, but someone will post it (it's OBD0, OBD1, and OBD2 stacked on top of each other, noticeable difference)


Member of the 20 nut club
here ya go