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Old 02-03-2008, 09:06 PM   #1
racer1735
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SVT O2 sensor location

My CEL is throwing a P0133 code. I've managed to clear the code and get the light to go out from time to time, but it keeps coming back after a day or two. I'm guessing that means I need to change my O2 sensor, but not sure where its located. Anyone care to help? Also, what type socket/wrench does it take to remove and is the job pretty user-friendly??


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Old 02-03-2008, 09:37 PM   #2
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On the zetec, there are two, don't know if it would change on an svt. one is under the exhaust header heat shield. it is tapped into the exhaust header, I believe you can trace the green plug to it. the other is behind the engine tapped in the cat converter (I think, if my memory serves me right).
to change them, you'll need an o2 socket adapter and some anti-seize.
Before you replace them, go to autozone and get them to scan it for free.
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Old 02-04-2008, 09:20 AM   #3
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Yah thats what mine came up as P0133, I ALLDATA it and its right under the heat sheld.
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Old 02-04-2008, 09:26 AM   #4
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alright heres another question, i am just gonna go with the 50 dollar one but theres different lengths. What length do i go with, there 10.5", 15 and 18 inches Common since says that 18 would be unnessary, so just 10.5?

Ha 1 more thing, What does the computer go into for a p0133, does it head towads rich condishion? or what? Would a scanner show me this (not the scanner from Autozone but a real fancy dancy 5grand one?)
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Old 02-04-2008, 10:29 AM   #5
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Is this the code for the pre-cat or post-cat sensor? I used to get an O2 code all the time when I bought the car, but I gave it a tune-up and a Focus-Power tune and it never came back.
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Old 02-04-2008, 10:48 AM   #6
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DO NOT USE THE $50 GENERIC SENSOR

Go ahead and get a FACTORY replacement... there is a HUGE difference in how the car will run between the two.

I used the cheap one for a while and when I switched back to the expensive one it was day and night in how much better it worked.
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Old 02-04-2008, 10:54 AM   #7
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^^^ +1. Spend your money on a factory O2 and save yourself some headaches without having to go back and deal with the same problem again.
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Old 02-04-2008, 10:56 AM   #8
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get a OEM one

I agree get the proper one. Pm mike (b16sir1991) Hilbish Ford - I got one from him MUCH below retail price.

Quote:
Originally Posted by 03OrangeSVT View Post
DO NOT USE THE $50 GENERIC SENSOR

Go ahead and get a FACTORY replacement... there is a HUGE difference in how the car will run between the two.....
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Old 02-04-2008, 01:43 PM   #9
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Signed, get the Motorcraft sensor, I had a Bosch and nothing but troubles with it. Went Motorcraft (NTK) and all is well.
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