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Old 08-15-2011, 07:31 PM #1
dragonflyfreak121 dragonflyfreak121 is offline
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Exhaust - two O2 sensors??
Apparently, I have a California emissions modeled 4runner.. It has two O2 sensors. I would like to leave it with both sensors but I need a new exhaust because mine is rotted.. Does anyone know where I can get an exhaust that will fit directly in the place of the one I have?? (It has two sensors.) < 1994 4runner

^^ All the parts places I go to, do not carry or didn't even know there was a difference in exhausts..
Thanks. (If I cant get the whole exhaust, maybe just the last part of it with the rear sensor and the muffler. )

My 1992 4runner is an east coast model and does NOT have two sensors.
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Old 08-15-2011, 07:56 PM #2
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Do you mean replacing the entire exhaust line from the engine all the way to the tail pipe?

I got an estimate on this, and the shop told me $265 total.
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Old 08-15-2011, 08:02 PM #3
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I just got half of the exhaust pipe and it cost 240 (warehouse price) with both sensors included. But the pipe didnt have a place for the second sensor. It seems to be a rare thing that the truck has two O2 sensors. And the exhausts that you can buy dont seem to have that. Every place Ive talked to has said they would need to custom make it. and for example meineke said it would be about 700+ to do it. < thats bull!
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Old 08-15-2011, 09:57 PM #4
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Might help if you told us what engine you have.
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Old 08-15-2011, 10:50 PM #5
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It'd help you, but I'd probably still be confused. Me not a mechanic..
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Old 08-15-2011, 11:10 PM #6
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Quote:
Originally Posted by SUBTEGRAL View Post
It'd help you, but I'd probably still be confused. Me not a mechanic..
You get points for trying. Haha.

What kind of o2 sensor is on your truck. Does it screw into the pipe or bolt on with a bolt on each side.

Ifs its like my trucks, its the bolt on style. So you could get a new pipe with one hole and have the shop add another flange/bung. Like this:



Oxygen Sensor Weld-On Flange / 2-Bolt Flange Style

You can also get the a screw in style bung.

Hope that helps.
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Old 08-16-2011, 05:31 PM #7
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Add-a-bung?

it doesn't take much for me...
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Old 08-22-2011, 08:52 PM #8
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I just added another sensor (custom made the exhaust) and I have to admit, it looks good. (mechanics around the corner thought it was factory made )
I didn't get a chance to come online before I got completely anxious and took it into my own hands..
But thanks for the input guys.
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Old 08-24-2011, 05:01 PM #9
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Screw Meineke then .. ha ha.
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