Replacing front O2 censors - MustangForums.com


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Old 02-17-2007, 02:01 PM   #1  
99GTvert
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Default Replacing front O2 censors

The reason I ask is because I got 4 codes, and two were P0135 and P0155....these O2 censor codes are really pissing me off, so if I need to replace them, do you guys know of any places that sell them? And are they difficult to get access to? I know the rear censors are easy to get to, but I don't know where the front's are.

BTW the other codes were P0443 and P1451 (if you know anything about those, please post a reply. I'd appreciate it).
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Old 02-17-2007, 02:05 PM   #2  
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Default RE: Replacing front O2 censors

I think you could just torch them a lil bit and they should be fine, but if you want new ones for cheap ebay sometimes has them for like 30 bucks
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Old 02-17-2007, 02:09 PM   #3  
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Default RE: Replacing front O2 censors

torch? mmm sounds like fun

I also have a cat-less mid pipe (if that helps)
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Old 02-17-2007, 02:10 PM   #4  
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Default RE: Replacing front O2 censors

i know i had a ford tech tell me that if you have 4 codes that say something about the o2s at the same time your mass air meter needs to be cleaned or checked/replaced.....do u have any hesataion when you accl?
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Old 02-17-2007, 02:16 PM   #5  
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Default RE: Replacing front O2 censors

nope. What I notice is that after I let off of the gas, it tends to hang for a second after the car warms up. Could that be beacause of the cold? I live in Michigan.
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Old 02-17-2007, 02:22 PM   #6  
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Default RE: Replacing front O2 censors

there not hard to get to you just need to get under the car if you dont have a lift
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Old 02-17-2007, 02:30 PM   #7  
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Default RE: Replacing front O2 censors

...yeah.... I got my 2 stands. I just don't know where the front O2's are
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Old 02-17-2007, 03:34 PM   #8  
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Default RE: Replacing front O2 censors

bump

any other opinions?
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Old 02-17-2007, 04:11 PM   #9  
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Default RE: Replacing front O2 censors

The front 02s are toward the front of your midpipe. If you get under the car (with it on jackstands) you will easily be able to see them. The PITA is getting them disconnected. Its hard to get your hand up around the transmission to disconnect them.

Once they're disconnected just get a wrench and unscrew them from the midpipe. You could unscrew them first (it would just twist the wires a bit) and then unplug them if its easier.
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