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Downstream 02 sensor.. Gone.

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Old 01-23-2013, 09:57 PM
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Year: 94
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Default Downstream 02 sensor.. Gone.

So the PO of my '94 cherokee thought it would be a good idea to cut out the cat and downstream 02 sensor. Wouldn't be that big of a problem, because we don't have smog here. But he didn't bother to put the 02 back in the new pipe. Without a cat, would it make a difference in MPG's or running rich if I tap a new downstream 02 into the pipe?
Old 01-23-2013, 09:58 PM
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You should probably put a high flow cat in...
Old 01-23-2013, 10:13 PM
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Go to performance curve and get a high flow cat with an o2 bung
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