Okay went to go look for a 02 sensor for my car, Went to autozone,napa,advance, etc come to find out that I have a 2 wire connector, and all they have is a 4 wire replacement 02 sensor.

what i want to know is where can i get a 2 wire 02 sensor?

And my Bank one connector is round and green not like the secondary connector which is grey.

For a 4th gen h22a

 

Are you sure that its the O2 sensor your looking at and not something else.
OBD1 the O2 sensor is in the Downpipe

 

You might be looking at the wrong connector, as there's no secondary O2 sensor for an OBD1 (4th gen). Your O2 sensor should have a 4-wire connection.

 

Yeah, you must be looking at another sensor. O2 is right before the cat, and has 4 wires on all 92-95 ludes.

 

Its weird, its like my megan racing header comes with one whole for the o2 so i when to two people and they say we can Buge and drill in the header to put another 02.

Im running on 96 obd2.

 

Maybe i'm looking at the wrong sensor. But does anybody know where its at.

I have one pluged up before cat (Short one)...What i want to know is, is there another grey connector beside the green round one on the harrness?

 

there is one o2 sensor before that cat in the downpipe below the intake manifold, it has a gray 4 wire plug. there is a second one IN the catalyst under the car, it is connected under the car with a 4 wire gray plug as well.

 

get an ngk replacement right here http://sparkplugs.com/

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Lude-Lee &raquo;</TD></TR><TR><TD CLASS="quote">I have one pluged up before cat (Short one)...What i want to know is, is there another grey connector beside the green round one on the harrness?</TD></TR></TABLE>

You mean there is just a plug in the header and not an oxygen sensor?

That is where the primary O2 sensor needs to be installed.. The connector is a square gray plug that is just above the oil filter

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Lude-Lee &raquo;</TD></TR><TR><TD CLASS="quote">Its weird, its like my megan racing header comes with one whole for the o2 so i when to two people and they say we can Buge and drill in the header to put another 02. </TD></TR></TABLE>

If you have stock exhaust, you shouldn't need to weld in a bung for the secondary.. it's immediately after the cat on stock exhaust

 

Thanks ya'll. Find the plug and now i feel like an idiot

Replaced the 02 sensor with one I took off another lude.

Car runs 10x better
-No hesitation
-No CEL
-More throttle response
-Pretty beast now...

THX