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Unread 06-18-2014, 03:59 PM   #1
my996duc1
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2005 LJ Wrangler 
 
Join Date: Mar 2013
Location: Orange County, CA
Posts: 219
O2 sensor question

I was getting a P0431 CEL and through looking around online I've come to the conclusion my cats are going to need replaced. I am outside of the federal warranty since I have an '05 with 143k miles.

While replacing the cats I figured I would install new O2 sensors as well.

How tight does a person tighten an O2 sensor ?
Do they tighten to finger tight then another 1/4 or 1/2 turn ?
Do they have a torque spec ?

They appear to have a crush washer like a spark plug on them.

Just figured I'd ask before I mess up new sensors or a new cat.


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Unread 06-18-2014, 04:44 PM   #2
Rangerz
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2005 TJ Wrangler 
 
Join Date: Jul 2011
Location: Henderson, NV
Posts: 149
Don't know how official it is, but I just tightened mine like a spark plug. No Problems.
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