need help with oxygen sensor b18a swap

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May 31, 2008 | 01:31 PM

flipdrift

Thread Starter

Junior Member

Joined: Oct 2007

Posts: 21

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From: las vegas, nv, usa

need help with oxygen sensor b18a swap

hi i have a 91 civic dx hatchback that has a b18a swap i dont know were to plug in my O2 sensor it has 4 wires and the comp has one wire sticking out with a peice of tape on it stated O2 can you please help?

May 31, 2008 | 08:40 PM

Hybridize

Joined: Sep 2003

Posts: 301

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From: Washington, USA

Re: need help with oxygen sensor b18a swap (honda-tech-sucks)

Obd1. Gotta use the 4 wire.

Search and find a pinout for an obd1 ecu. You'll see which pins you need to splice/add to.

May 31, 2008 | 11:02 PM

Deetz

Crazy Honda Guy

Joined: Sep 2003

Posts: 8,025

Likes: 19

From: Calgary, AB, Canada

Re: need help with oxygen sensor b18a swap (Hybridize)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hybridize »</TD></TR><TR><TD CLASS="quote">Obd1. Gotta use the 4 wire.
</TD></TR></TABLE>

Correct. OBDI uses a better 4 wire heated o2 sensor for accurate readings. There's a reason Honda upgraded from the single wire non heated version.