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  #16  
Old 05-06-2014, 08:00 PM
stateranger stateranger is offline
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Default Re: How-To: Oxygen Sensor replacement

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Originally Posted by GirlsLoveTrucks View Post
Federal crime? In the US? I'm from Canada.
I'd bet you still have the pre catylitic converters just not the main cat.
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  #17  
Old 05-06-2014, 08:17 PM
07XL 07XL is offline
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Originally Posted by reconjb View Post

I dont think it will affect power the rear o2 sensor only monitors it doesnt change trim levels
This
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  #18  
Old 05-06-2014, 08:44 PM
bigfisher bigfisher is offline
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Originally Posted by 96_4x4_XLT View Post
Bad mpg bad power
doesnt affect a 94 this way. Truck has plenty of power and has pulled 24 highway. 17-18 city
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  #19  
Old 05-12-2014, 06:07 PM
louiechef louiechef is offline
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Default Re: How-To: Oxygen Sensor replacement

How many O2 sensors are on a 2004 Ranger FX4 with a 4.O
One auto parts store said 2 upper and 2 lower.
Another store said 1 upper and 1 lower.
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Last edited by louiechef; 05-12-2014 at 06:10 PM. Reason: Just asking to find a correct answer
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  #20  
Old 05-12-2014, 06:11 PM
reconjb reconjb is offline
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Originally Posted by louiechef View Post
How many O2 sensors are on a 2004 Ranger FX4 with a 4.O
One auto parts store said 2 upper and 2 lower.
Another store said 1 upper and 1 lower.
2 upper 1 lower
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  #21  
Old 05-12-2014, 06:19 PM
louiechef louiechef is offline
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Question Re: How-To: Oxygen Sensor replacement

Are the 2 upper then basically the same number when picking them up or are the wires a different length? I did pick up one upper and one lower just to get started.
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  #22  
Old 05-12-2014, 06:22 PM
reconjb reconjb is offline
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Originally Posted by louiechef View Post
Are the 2 upper then basically the same number when picking them up or are the wires a different length? I did pick up one upper and one lower just to get started.
Wiring is different so they are different part numbers
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  #23  
Old 05-12-2014, 06:25 PM
louiechef louiechef is offline
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Default Re: How-To: Oxygen Sensor replacement

So - it would be best to go back to the auto parts store and find out what bank the part I have is for to make sure I am putting it on the right side.
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  #24  
Old 05-12-2014, 06:33 PM
reconjb reconjb is offline
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Quote:
Originally Posted by louiechef View Post
So - it would be best to go back to the auto parts store and find out what bank the part I have is for to make sure I am putting it on the right side.
Probably safer im not sure how picky they are
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  #25  
Old 05-12-2014, 06:37 PM
louiechef louiechef is offline
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Default Re: How-To: Oxygen Sensor replacement

Thanks for the help!!
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  #26  
Old 06-02-2016, 01:15 AM
NewShockerGuy NewShockerGuy is offline
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Default Re: How-To: Oxygen Sensor replacement

Old thread but is this something that should be replaced after time? I ask only because my 01' has 170k miles on it and to my knowledge the o2 sensors are probably from the factory. No CEL's and no loss of MPG... my 2.3L gets around 25mph via the highway.

I'd rather not change shit that isn't broken because normally when I start changing things proactively something else is amplified...lol


Thanks,
-Nigel
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  #27  
Old 06-02-2016, 02:50 AM
Logan03CO Logan03CO is offline
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Default Re: How-To: Oxygen Sensor replacement

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Originally Posted by NewShockerGuy View Post
Old thread but is this something that should be replaced after time? I ask only because my 01' has 170k miles on it and to my knowledge the o2 sensors are probably from the factory. No CEL's and no loss of MPG... my 2.3L gets around 25mph via the highway.

I'd rather not change shit that isn't broken because normally when I start changing things proactively something else is amplified...lol


Thanks,
-Nigel
I've answered in your other thread as well...but no.

If it isn't broke...don't fix it.
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  #28  
Old 09-17-2016, 04:51 PM
NewShockerGuy NewShockerGuy is offline
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Arrow Re: How-To: Oxygen Sensor replacement

THANK YOU!

I had to remove my fender liner. I was putzing around trying to remove the damn sensor from under the truck and for 35 minutes was like HTF is this going to come out....

Removed fender liner and 45 seconds later the o2 sensor was out...lol

Thank you!

-Nigel
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