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- Honda CRX / EF Civic (1988 - 1991) (https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/)

- - B18a1 obd0 or obd1? (https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/b18a1-obd0-obd1-3018452/)

BIGef

01-19-2012 01:23 AM

B18a1 obd0 or obd1?

I just bought a shell with b18 but cant tell if its obd0 or obd1?
any help?

thanks in advance.

BoostN_ED7

01-19-2012 08:44 AM

Re: B18a1 obd0 or obd1?

Pics or more info?

Edwin909

01-19-2012 10:48 AM

Re: B18a1 obd0 or obd1?

b18a1 are obd0 or just check the stamp on your ecu

TeamRedline89Hatch

01-19-2012 12:23 PM

Re: B18a1 obd0 or obd1?

Quote:

Originally Posted by Edwin909 (Post 46709903)

b18a1 are obd0 or just check the stamp on your ecu

92-93 b18a1's are obd1.

BIGef

01-19-2012 02:26 PM

Re: B18a1 obd0 or obd1?

Quote:

Originally Posted by TeamRedline89Hatch (Post 46710507)

92-93 b18a1's are obd1.

yes correct and 90-91 is obd0. But cant really tell. and it didnt come with an ecu.

Edwin909

01-19-2012 08:48 PM

Re: B18a1 obd0 or obd1?

If they're obd1 then they should come with a crank angle sensor on the back of the block I beloved or you could check year stamps on the head if it came with one

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