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10-21-2013
After having that misfire, I know it's just a matter of time before the catalytic converter is toast. I watched a YouTube video on how to do a back pressure test. All you do is remove the upstream oxygen sensor and install a back pressure gauge. You're not suppose to have more than 2 PSI back pressure at any RPM. What's a good oxygen sensor wrench?
10-21-2013
Crescent wrench or I bought a o2 socket wrench but u can also wrench them from autozone etc
10-21-2013
Based on most of our sensors being a long body, I picked up the one that is open, the ratchet goes on the side of it.
10-21-2013
I have the socket that has an offset for the rachet. Works great and fits anywhere an O2 can
10-22-2013
Bill, you mean the crowfoot style right? Is there any specific brand or part number you prefer?
10-22-2013
They're all about the same. I think both mine are "OEM" brand or whatever Autozone carries.
Originally Posted by W-Body Store
10-22-2013
why can't you just use a wrench like a normal human being?
10-22-2013
This is the style I use. I find it much easier than trying to stuff a wrench down behind the motor and not getting decent leverage.
http://www.harborfreight.com/3-8-eig...nch-97177.html
10-22-2013
i understand why, i guess i just never had any issues with it and i had it in/out more than a handful of times.
10-22-2013
I've had a few roll in that required the car running to keep the pipe hot in order to get the damn thing out. It's amazing how much of a fighter they can be at times.
10-22-2013
There's a nice o2 sensor snap-on wrench I use that's perfect. Its a bent handle and the socket part swivels. If you don't mind spending money that is on something you could use a regular wrench for
Sent from my RM-860_nam_usa_100 using Tapatalk
10-22-2013
I'd avoid the auto zone crap, mine flexed open way too much and rounded off my downstream of. I got a decent one from NAPA and it has zero flex.
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