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  #1  
Old 05-17-2013, 06:09 PM
Coleranger Coleranger is offline
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Question Help on How To Replace The O2 Sensors

Hi Ford Ranger Form!

I am working on replacing all three of my O2 Sensors. I have replaced the one down stream sensor and the Bank 2 sensor on the drivers side. Both where pretty easy to change out but I am having problems getting to the Bank 1 sensor on the passenger side.

Does any one have any easy ways to get to the wire connection and the sensor on the passenger side? Do I need to take out the wheel well guard or the tire or is there any other way to replace it without removing these parts?

Thanks for your help in advanced!!

ColeRanger
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Last edited by Coleranger; 05-17-2013 at 06:27 PM. Reason: Mistake
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  #2  
Old 05-17-2013, 06:40 PM
reconjb reconjb is offline
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Default Re: Help on How To Replace The O2 Sensors

I just reached in from above and did the connections

and just unbolted from below with a wrench
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Old 05-17-2013, 06:48 PM
Coleranger Coleranger is offline
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Exclamation Re: Help on How To Replace The O2 Sensors

Reached in all the way through the engine space?
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Last edited by Coleranger; 05-17-2013 at 06:49 PM. Reason: undo
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Old 05-17-2013, 07:24 PM
reconjb reconjb is offline
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Default Re: Help on How To Replace The O2 Sensors

the connector (at least for mine) goes above the tranny and was just behind the engine pretty easy to get a hold of a little harder to disconnect
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Old 05-18-2013, 06:26 AM
Coleranger Coleranger is offline
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So there really is no trick to getting at it?
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Old 05-18-2013, 06:47 AM
reconjb reconjb is offline
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Some people do say it is easier to go through the wheel well

sent from my IPod using the FRF app
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Old 05-18-2013, 07:36 AM
dfpgnm dfpgnm is offline
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Default Re: Help on How To Replace The O2 Sensors

I used a crow'sfoot wrench and a 3/8 ratchet to get at mine from below. Could only get a couple of clicks on the ratchet at a time and had to re-seat the wrench and ratchet every two turns or so. Biggest problem was the sensor was so rusted and corrosion fused to the pipe it ultimately cracked and I had to pull the y-pipe. Of course, the rusted studs that held it to the manifold broke and I had to pull the manifold to get things fixed. Luckily, I was able to get the manifold off without having to pull the head and re-tap that. So what should have been a 30 minute job wound up going into a second weekend.

Oh, and if you're replacing the sensor, there's no reason not to cut the wires off at the sensor: then you can move the connection up into some free area in the engine compartment to unhook it.
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Old 05-18-2013, 07:01 PM
thatranger thatranger is offline
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Default Re: Help on How To Replace The O2 Sensors

Quote:
Originally Posted by dfpgnm View Post
I used a crow'sfoot wrench and a 3/8 ratchet to get at mine from below. Could only get a couple of clicks on the ratchet at a time and had to re-seat the wrench and ratchet every two turns or so. Biggest problem was the sensor was so rusted and corrosion fused to the pipe it ultimately cracked and I had to pull the y-pipe. Of course, the rusted studs that held it to the manifold broke and I had to pull the manifold to get things fixed. Luckily, I was able to get the manifold off without having to pull the head and re-tap that. So what should have been a 30 minute job wound up going into a second weekend.

Oh, and if you're replacing the sensor, there's no reason not to cut the wires off at the sensor: then you can move the connection up into some free area in the engine compartment to unhook it.
Doing it on the 3.0 seems very easy. One down from each header, and two on the pipes from under neath. The two header ones can be reached very easily with a TON of room with the 3.0 from the top/engine bay. Haven't looked at the under neath ones, but they shouldn't be too hard.

However I know with the 4.0 theres no room to do spark plugs, let alone the o2 sensors on the headers.

I've heard before that with o2 sensors, you should get an o2 socket, (similar to spark plug sockets), which can be found at any auto store.
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Last edited by thatranger; 05-18-2013 at 07:03 PM.
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Old 05-18-2013, 07:48 PM
dfpgnm dfpgnm is offline
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Default Re: Help on How To Replace The O2 Sensors

Maybe the set up is different on mine. It has a CARB compliant exhaust.
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Old 05-18-2013, 08:14 PM
thatranger thatranger is offline
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Default Re: Help on How To Replace The O2 Sensors

Quote:
Originally Posted by dfpgnm View Post
Maybe the set up is different on mine. It has a CARB compliant exhaust.
That, and the year differences as well. Good luck with getting those replaced.
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  #11  
Old 05-18-2013, 08:23 PM
dfpgnm dfpgnm is offline
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Default Re: Help on How To Replace The O2 Sensors

Guess I had no good reason to be in this thread, being all different year and setup and all. Sorry about the confusion.
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