new cat o2 sensor - JeepForum.com

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post #1 of 18 Old 12-02-2009, 07:09 PM Thread Starter
kinnelonconst
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new cat o2 sensor

I just recieved my flowmaster 44 and my highflow cat, what do i do with the o2 sensor i am not sure how to put it in the new


96 Grand Cherokee Laredo 5.2 v8, K&N cold air intake, magnaflow highflow cat, no muffler, 31" Mickey Thompson Baja MTZ, and other doodads
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post #2 of 18 Old 12-02-2009, 07:10 PM
QuadraTokn
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Where is the stock O2 sensor? in the Cat?

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post #3 of 18 Old 12-02-2009, 08:13 PM Thread Starter
kinnelonconst
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yeah right in the end of the cat and i have the magnaflow cat but dont know what to do with the sensor

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post #4 of 18 Old 12-02-2009, 10:36 PM
teenwolf1393
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wow dude. just wow. put the o2 sensor in the new cat. there should be a bung for it on the exit side of the cat if not your gonna have to get one put on. a muffler shop will do it for relatively cheap
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post #5 of 18 Old 12-03-2009, 12:01 AM
ZJ5point2GCL
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sounds like you got the wrong cat, pre OBD II had no bung for it, but OBD II's have a bung as part of the cat. was just looking at the 2 today
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post #6 of 18 Old 12-03-2009, 12:01 PM Thread Starter
kinnelonconst
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i just got a universal cat, not a specific cat, therefore there is no hole for the sensor

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post #7 of 18 Old 12-03-2009, 12:16 PM
ZJ5point2GCL
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Yeah, there are two universal cats from magnaflow / carsound one with an o2 sensor bung, one without
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post #8 of 18 Old 12-03-2009, 05:34 PM Thread Starter
kinnelonconst
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where can i buy the part that i need to weld into the exhaust pipe? whats it look like

96 Grand Cherokee Laredo 5.2 v8, K&N cold air intake, magnaflow highflow cat, no muffler, 31" Mickey Thompson Baja MTZ, and other doodads
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post #9 of 18 Old 12-03-2009, 11:45 PM
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where did you buy the cat from?
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post #10 of 18 Old 12-03-2009, 11:49 PM
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I'll bet any good muffler shop could drill a hole and weld the bung in. I doubt if it's that big a deal. But I hope you don't live in California. We have to have special cats which cost maybe $100 more than the other 49 states. Lucky us!

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post #11 of 18 Old 12-04-2009, 07:40 PM
teenwolf1393
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Quote:
Originally Posted by kinnelonconst View Post
where can i buy the part that i need to weld into the exhaust pipe? whats it look like
the bung basically looks like a bolt welded onto the muffler/piping any muffler shop should be able to do it quick and inexpensive.
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post #12 of 18 Old 12-04-2009, 09:25 PM
stageninja
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Quote:
Originally Posted by teenwolf1393 View Post
the bung basically looks like a bolt welded onto the muffler/piping
Or maybe a nut

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post #13 of 18 Old 12-04-2009, 09:44 PM
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you may want to buy a section of pipe that has the bung already in it. Idk what its called tho

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post #14 of 18 Old 12-05-2009, 05:44 PM Thread Starter
kinnelonconst
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i ordered the bung from one of my local autoparts store, comming in monday... will weld it onto the new connector pipe between cat and muffler, and should be all hooked up monday night

96 Grand Cherokee Laredo 5.2 v8, K&N cold air intake, magnaflow highflow cat, no muffler, 31" Mickey Thompson Baja MTZ, and other doodads
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post #15 of 18 Old 12-05-2009, 05:51 PM
ZJJay
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This sounds really obvious, but I'll mention it anyway. Make sure that the location where the muffler shop installs the bung is within reach of the O2 sensor wiring. You don't want a strain on the wiring connector. You also want the bung at an angle that would make removing the sensor easy with a box or open end wrench (if you don't have the special O2 sensor socket - a deep socket with a slot to allow the wires to hang out).

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