O2 sensor install and question

mrappold · Mar 28, 2011

Hello all, so a mechanic told me that because the rear o2 sensor i got does not come with the plug (it has to be spliced in) the computer will not turn off the check engine light and im guessing wont pass inspection. here are my questions.

1. does the rear 02 sensor have a plug like the front?
2. is what he is saying correct
3. does the front one have a plug? lol
4. is there a special tool required to remove the o2 sensors

thx guys

Jasonof2000 · Mar 28, 2011

Your mechanic is an idiot. It does have a plug and the front and rear are color coded so you can't mix them up. They are easy to change so you can do it yourself for a LOT less than this jackass is charging. All you need is a part from auto-zone, do a search there are images of it on this forum and it only costs a couple bucks.

To reset the ECU just unhook the battery and reinstall it.

mrappold · Mar 28, 2011

well he didnt mean that the rear usually has to be spliced, i bout the universal rear 02 sensor (it does not have a plug) from auto zone because it was half the price of the sensor that is SVT specific. the univesal said it worked with the svt but it was not SVT specific. so:

is it indeed universal or do i need to take it back to auto zone and get the SVT specific rear sensor

ssmy · Mar 28, 2011

Sounds like he is talking about a ****ty cheap universal O2 sensor. The right one should be not much more than the universal, and much easier to install.

There are a couple specialized tools based on where it is (regular tools, but with slots for the wire), or you can just use a wrench, they are pretty huge though.

mrappold · Mar 28, 2011

ok so the universal rear senor i have is no bueno? and i need to stop being cheap a$$

COSVT03 · Mar 29, 2011

Yes you do. Call Steve at Tousley Ford - OEM's are like 50-100 $$$

SVT Mike · Mar 28, 2011

^exactly, you can add lazy too. (jk, maybe) If you can change your oil, you should be able to change an o2 sensor, it really is easy. Only tool I would recommend is a o2 socket. Also, Bosch o2 sensor work well, have plugs, and cost $60-70.

mrappold · Mar 28, 2011

yeah i know im just at school living in a dorm and have no real access to tools, and yes they are the Bosch's, even the universal one, they wanted about 120 at auto zone for the rear, know where i can get it cheaper. one last question

what makes the universal one no good, aside from having no plug?

svtf02red · Mar 28, 2011

mrappold said:
what makes the universal one no good, aside from having no plug?

That's completely untrue - so long as you get a decent brand (like Bosch) and solder your connections and seal up the wiring where the solder connection is, you're all good. Universals are great when the application-specific harness is unavailable or the wiring was damaged from this or that.

OrangeSkittle_SVT · Mar 28, 2011

NGK/NTK makes O2 sensors aswell and find them superior to the Bosch ones. I find the Bosch to tall and fat for the limited amount of space under there. Also the NGK look exactly like OEM Ford (they probaly make it for them who knows). So check if any of your local autoparts carry NGK and also mine costed 30 bucks for the pre-cat..should be the same price for post-cat.

Sniper Focus · Mar 28, 2011

I have NTK O2's on the front and rear and they only cost me $30-45 bucks. I compared the NTK and the OEM and they had some of the same numbers on them.

snake eyes · Mar 29, 2011

which parts store did you get them from? Just wondering for if one of mine go.

Svt5.0 · Mar 29, 2011

done correctly the check engine light will turn off. from reading this thread I suggest a new mechanic.

svtf02red · Mar 29, 2011

X2. Just like any profession, there are crack monkeys everywhere - the reason I do all my own work. :thumbup:

mrappold · Mar 29, 2011

great, thxs guys

mrappold · Mar 29, 2011

the universal is made by Bosch. i already have it and pretty sure it to late to return, guess ill try it and see what happens. stay tuned for more updates in the situation

FORDSVTPARTS · Mar 29, 2011

Here's the OEM info,

Upstream P/N 5C5Z*9F472*BA $36.21 from us

Downstream P/N 5W6Z*9G444*BA $35.27 from us

UPS ground almost anywhere in the lower 48, $9.00 or so.

.

SVT Mike · Mar 29, 2011

Damn Steve, I didn't think your price on O2s would be that good, I know your prices are good, but WOW! Now I'll have to stop putting off figuring out which O2 has been giving me trouble. To the OP, I would clean up universal O2 and return it, and just go the O.E. route, thats a damn good price.

Sniper Focus · Mar 29, 2011

If you have the money replace both, I had a slow front 02 that said that the rear sensor was bad. I spent months trying to figure it out.

SVT Mike · Mar 29, 2011

I just pulled the code, it said it is a slow front 02, so I'm going to start there. This is my last comment about my problem, I don't want to jack the op's thread.

O2 sensor install and question

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