ok here is my deal....

-i have a 92cx (single wire O2 sensor)
-i have a p74 ecu (92-93 teg, 4 wire O2)
-i have a 99 teg motor

so i go and buy the O2 sensor for the 92-93 integra. i open up the box and it is single wire. im like WTF to i talk to the guy who dropped the motor and he said if they are both single wire go for it.

well it doesnt work, so i need to know...

1) why is my O2 single wire???? did i get the wrong one some how.
2)can i wire this O2 sensor up correctly or do i have to get a new one.

here are the pics.

this is it hooked up:


this is a shot of the O2 connector, see only one wire....


and now last, are these 3 holes where i would wire in the 3 exrta wire when i have to wire up the 4 wire O2??? i did them in red.

 

bump

 

so your motor is obd2 and the ecu is obd1?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fu*kface95hatch &raquo;</TD></TR><TR><TD CLASS="quote">so your motor is obd2 and the ecu is obd1?</TD></TR></TABLE>

yes. but that is not really my prob. maily im wondering are those three holes where i can wire in the new 4 wire O2?

 

bumpity

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by envision2teg &raquo;</TD></TR><TR><TD CLASS="quote">1) why is my O2 single wire???? did i get the wrong one some how.</TD></TR></TABLE>

You need to use a 4 wire O2 sensor because your ECU will be looking for that. If you bought a 92-93 Integra O2 and got a single wire then they sold you the wrong one which was no doubt meant for the 90-91 OBD0 Integra.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by envision2teg &raquo;</TD></TR><TR><TD CLASS="quote">2)can i wire this O2 sensor up correctly or do i have to get a new one.</TD></TR></TABLE>

No you MUST use a 4 wire O2 sensor, whether it's OEM or aftermarket.

 

does some one have a diagram that show how to wire up a 4 wire O2 in a 92-95 cx with a b18b1 and a p74 in it.

I have been searching but it is hard to find it because you can use the term "O2" because it is too short. lol

 

I have a 92 cx, and i put a 00 b16a in it. You know what a wise man (katman) told me?

96-01 GSR engine harness. Plug and play, no additional wiring. and guess what, it worked! But idk what teg motor you are useing, and yess you need the 4 wire o2 and here is a diagram for the 1 wire to 4 wire conversion, but it's for the p28 ecu.

Again idk if it will work for your b18b1 and p74. But i went with the gsr harness for my obd2 swap but didn't need half the stuff cuz the ecu was obd1. But it was simple. anyway, here is the diagram i used......



Modified by 80884 at 12:39 AM 8/14/2003

 

This is because at the time my pic is not working...

I got it here https://honda-tech.com/zerothread?id=460744

I e-mailed the pic also, it should be full size in the e-mail.


Modified by 80884 at 12:41 AM 8/14/2003

 

perfect.

thank you.

 

anytime, good to see i could help.

 

this diagram is a keeper

 

excellent

 

hey, im bringin this back to life. does anyone have a pic of the o2 diagram posted above? the link above is dead. if you have it let me know or email it to me whatever. thanks guys

 

Hybrid Automotives' O2 conversion article.