OBD2 converted to OBD1...Do I still need both O2 sensors?
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Honda-Tech Member
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From: Kirkland, Wa, USA
OBD2 converted to OBD1...Do I still need both O2 sensors?
Like it says, I'm running a P28 ecu with a Hondata s200 on a 99 Si (going turbo).
I've got one O2 sensor in the cat, and another one that's hanging unless I get the fitting welded to the downpipe. I found one post in the archives that says that OBD1 cars only have one O2 sensor. So can I forget the one that comes before the cat?
Thanks in advance
I've got one O2 sensor in the cat, and another one that's hanging unless I get the fitting welded to the downpipe. I found one post in the archives that says that OBD1 cars only have one O2 sensor. So can I forget the one that comes before the cat?
Thanks in advance
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Joined: Jun 2002
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From: Richmond, Va, usa
Re: OBD2 converted to OBD1...Do I still need both O2 sensors? (rhettster)
make sure you get that hanging o2 sensor back into your downpipe. You don't need the one in the cat, but I would just leave it in there unless you wanna plug up the hole where it was.
Thread Starter
Honda-Tech Member
Joined: Jan 2003
Posts: 180
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From: Kirkland, Wa, USA
Re: OBD2 converted to OBD1...Do I still need both O2 sensors? (Stickdeath)
Ok, so the one in the cat is uselss, but I need the one forward of that? Sorry to beat a dead horse...just want to make sure I do this right.
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