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how to get out o2 sensor #5195767 08/24/19 09:18 PM
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dogememe Offline OP
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The recent thread about o2 sensors reminded me that last time I tried to change my upstream o2 sensor I couldn't get the old one out so I returned the new one. There is nothing wrong with my car but I am a believer of changing them at 100k miles if it's easy and cheap enough. On my car it's fairly accessible, though it's covered by the heat shield a bit so I can't get direct access. I tried various o2 sensor sockets and it just wouldn't turn. I tried spraying some penetrating oil and that didn't help either. I gave up because I didn't want to cause more problems than I was trying to solve. 2010 escape 2.5...


2010 Ford Escape 2.5 ~100K Miles
Castrol Magnatec 5W-20, Wix Filter.
Re: how to get out o2 sensor [Re: dogememe] #5195772 08/24/19 09:29 PM
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spasm3 Offline
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I use a torch, and a long end wrench where i can. If i can get an impact to it, i'll cut the wires and do that. If i can't get impact to it, i'll take it to an exhaust shop. They can drop the pipes on a lift easier than i can in the driveway.

Last edited by spasm3; 08/24/19 09:29 PM.

13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 12300 miles m1 0w30
Re: how to get out o2 sensor [Re: dogememe] #5195779 08/24/19 09:38 PM
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dishdude Offline
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Unless it's throwing a code you're throwing your money away.


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI M1 Euro 0w-40 Wix WL10024
2019 Tiguan
Re: how to get out o2 sensor [Re: dogememe] #5195780 08/24/19 09:39 PM
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clinebarger Offline
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Fords have the tightest torqued O2 sensors of any make (In my opinion).

I cut the wires off & use a deep 7/8" or 22mm 1/2" drive socket on a 25" long 1/2" drive ratchet........ O2 sockets will spread!


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: how to get out o2 sensor [Re: clinebarger] #5195783 08/24/19 09:43 PM
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spasm3 Offline
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Originally Posted by clinebarger
. O2 sockets will spread!



Yes they will !


13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 12300 miles m1 0w30
Re: how to get out o2 sensor [Re: dishdude] #5195785 08/24/19 09:44 PM
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Chris142 Offline
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Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.

Not always. They do get lazy but no code. My Jeep really picked up mpg and power with new ones.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
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Re: how to get out o2 sensor [Re: dishdude] #5195813 08/24/19 10:36 PM
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The_Nuke Offline
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Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.


Amen, I never change my oil until I hear the engine about to seize up! Same for rotating tires. If it ain’t shimmying, leave ‘em be!


2012 Charger Pursuit aka "The Bacon Hauler"
- 5.7L + NAG1 (A5) + 2.65 (215mm)
Re: how to get out o2 sensor [Re: dishdude] #5195819 08/24/19 10:53 PM
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Oro_O Offline
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Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.


Gotta agree. I have 300k on the original ones in one of our vehicles.

As to getting them off, Soak in Kroil the day before and again an hour ahead. The heat and they'll come off without much fuss.

Re: how to get out o2 sensor [Re: clinebarger] #5195822 08/24/19 10:58 PM
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dogememe Offline OP
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Originally Posted by The_Nuke
Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.


Amen, I never change my oil until I hear the engine about to seize up! Same for rotating tires. If it ain’t shimmying, leave ‘em be!


Thank you. I'm not getting the MPG I think I should be getting which is why I want to change the o2 sensor.

Originally Posted by clinebarger
Fords have the tightest torqued O2 sensors of any make (In my opinion).

I cut the wires off & use a deep 7/8" or 22mm 1/2" drive socket on a 25" long 1/2" drive ratchet........ O2 sockets will spread!


Good idea. I will use a real socket on a breaker bar... It's just that once I cut it there's no turning back.


2010 Ford Escape 2.5 ~100K Miles
Castrol Magnatec 5W-20, Wix Filter.
Re: how to get out o2 sensor [Re: Chris142] #5195835 08/24/19 11:24 PM
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zrxkawboy Offline
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Originally Posted by Chris142

Not always. They do get lazy but no code. My Jeep really picked up mpg and power with new ones.


Yep, I've experienced increased mpg more than once.


"Think of all the Ford owners who will someday want an automobile." John Dodge

Re: how to get out o2 sensor [Re: dogememe] #5195845 08/24/19 11:48 PM
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Wolf359 Offline
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Originally Posted by dogememe
Originally Posted by The_Nuke
Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.


Amen, I never change my oil until I hear the engine about to seize up! Same for rotating tires. If it ain’t shimmying, leave ‘em be!


Thank you. I'm not getting the MPG I think I should be getting which is why I want to change the o2 sensor.

Originally Posted by clinebarger
Fords have the tightest torqued O2 sensors of any make (In my opinion).

I cut the wires off & use a deep 7/8" or 22mm 1/2" drive socket on a 25" long 1/2" drive ratchet........ O2 sockets will spread!


Good idea. I will use a real socket on a breaker bar... It's just that once I cut it there's no turning back.


Depends how you cut the wires, if you leave enough room, you could always splice it back in.

Re: how to get out o2 sensor [Re: spasm3] #5195856 08/25/19 12:42 AM
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user52165 Online Content
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Originally Posted by spasm3
Originally Posted by clinebarger
. O2 sockets will spread!



Yes they will !


What kind of cheap [censored] socket are you using? Made from chinesezium?

Anything in that tight might have buggered threads and should be used with a thread chaser to clean them up.

Last edited by user52165; 08/25/19 12:57 AM.
Re: how to get out o2 sensor [Re: user52165] #5195859 08/25/19 12:43 AM
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dogememe Offline OP
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Originally Posted by user52165
Originally Posted by spasm3
Originally Posted by clinebarger
. O2 sockets will spread!



Yes they will !


What kind of cheap [censored] socket are you using? Made from chinesezium?

I tried with the rental tool ones from O'Reilly and they seemed to be slightly too loose.


2010 Ford Escape 2.5 ~100K Miles
Castrol Magnatec 5W-20, Wix Filter.
Re: how to get out o2 sensor [Re: Chris142] #5195870 08/25/19 01:26 AM
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Skippy722 Online Content
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Originally Posted by Chris142
Originally Posted by dishdude
Unless it's throwing a code you're throwing your money away.

Not always. They do get lazy but no code. My Jeep really picked up mpg and power with new ones.


Same story with my Caliber.

I sprayed it with WD40 after I got home from work, let it sit, sprayed it again before I left for work the next day, let it cool till lunch time where I sprayed it with kroil, worked the rest of my shift, drove it home, and immediately removed it. Came out without a fight.


2016 Chrysler 300S v6
2018 Dodge Grand Caravan GT

Slight Mopar obsession
Re: how to get out o2 sensor [Re: dogememe] #5195878 08/25/19 01:45 AM
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ethnix Offline
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Try breaking it loose when the manifold is hot. Use a breaker bar with a couple feet of black steel pipe on the end.

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