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Old 01-29-2013, 07:43 PM   #1
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Code p0161

Ever since I put my or/x pipe on my mustang the check engine light has been on, I have the mil eliminators but they seem to not be working, has anyone had this problem? It's annoying looking at the cel light
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Old 01-29-2013, 07:45 PM   #2
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Disconnect the battery for 15 sec. Connect it back again and that should do the work!!!!!!!
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Old 01-29-2013, 07:47 PM   #3
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Disconnect the battery for 15 sec. Connect it back again and that should do the work!!!!!!!
I already did that like 3 times but it still pops on
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Old 01-29-2013, 07:55 PM   #4
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Are they on the rear o2s?
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Old 01-29-2013, 08:02 PM   #5
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Mmmm do u have the milf eliminators in the front O2's or in the rear?
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Old 01-29-2013, 08:29 PM   #6
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Mmmm do u have the milf eliminators in the front O2's or in the rear?
Yeah they are on the rear o2 sensors
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Old 01-29-2013, 10:51 PM   #7
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cliffyk has a diy mil eliminators, they do the trick, maybe he will chime in with his method and i can atest they do work very efficiently
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Old 01-30-2013, 07:28 AM   #8
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It's jut stupid because I spend $80 on the mil from American muscle, I have to get under the car today
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Old 01-30-2013, 01:46 PM   #9
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It's jut stupid because I spend $80 on the mil from American muscle, I have to get under the car today
PM AM they should hook u up. Or try putting them in the front.
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Old 01-30-2013, 05:47 PM   #10
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PM AM they should hook u up. Or try putting them in the front.
I don't think they go in the front
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Old 01-30-2013, 05:57 PM   #11
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Originally Posted by Sonicblue11 View Post
Ever since I put my or/x pipe on my mustang the check engine light has been on, I have the mil eliminators but they seem to not be working, has anyone had this problem? It's annoying looking at the cel light
Try removing the mil's start it up make sure the cel is on shut the car off disconnect the negative on the battery for about 15 min hook the mil's back up connect the battery and start it up see if that works
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Old 01-30-2013, 06:00 PM   #12
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Try removing the mil's start it up make sure the cel is on shut the car off disconnect the negative on the battery for about 15 min hook the mil's back up connect the battery and start it up see if that works
I will try that!! Thanks for the pointers lol
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Old 01-30-2013, 06:02 PM   #13
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I will try that!! Thanks for the pointers lol
No prob if that doesn't work I'm sure AM will hook u up with a new set
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Old 01-30-2013, 06:49 PM   #14
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The battery needs to be disconnected for 5 to 7 minutes to reset the PCM--I usually do 10 minutes to be sure.

Here is my DIY MIL Eliminator page...
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Old 01-30-2013, 08:23 PM   #15
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I don't think they go in the front
Yeah i know they go in the rear, but is just something you could try lol
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Old 01-31-2013, 10:54 AM   #16
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I have the fix for this posted under o/r x pipe on here it will chaos you less than 5 dollars to fix. Call me if you can't find the post . 865-805-3120

---------- Post added at 11:54 AM ---------- Previous post was at 11:53 AM ----------

Never put mils on front o2 sensor
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Old 01-31-2013, 10:55 AM   #17
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I have the fix for this posted under o/r x pipe on here it will chaos you less than 5 dollars to fix. Call me if you can't find the post . 865-805-3120

---------- Post added at 11:54 AM ---------- Previous post was at 11:53 AM ----------

Never put mils on front o2 sensor
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Old 01-31-2013, 12:37 PM   #18
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Originally Posted by schmitty426 View Post

Try removing the mil's start it up make sure the cel is on shut the car off disconnect the negative on the battery for about 15 min hook the mil's back up connect the battery and start it up see if that works
This actually worked! Unless it just reset the code for a minute but I drove alittle and nothing came up yett so I hope it worked
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Old 01-31-2013, 12:58 PM   #19
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Well it still might come on if it still isnt fixed, after putting on a o/rh i didnt use mil eilim. cuz i didnt want to spend anymore money which it isnt much but im still rocking with the cel on. Its off for now the shop i guess unhooked my battery and its off now but sure itll come back on unless he done something i didnt know lol.
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Old 01-31-2013, 01:53 PM   #20
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Well it still might come on if it still isnt fixed, after putting on a o/rh i didnt use mil eilim. cuz i didnt want to spend anymore money which it isnt much but im still rocking with the cel on. Its off for now the shop i guess unhooked my battery and its off now but sure itll come back on unless he done something i didnt know lol.
Yeah I know I have to wait and see
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Old 01-31-2013, 02:10 PM   #21
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OK boys I have the fix for less 5 dollars and 10 minutes it is done. Go to your local auto parts store and buy a pair of 18 mm non fouler plugs. They come in a two pack. Drill them out with a 1/2 inch drill bit. Disconnect your battery and then remove your rear o2 sensors screw the non fouler plug in where the o2 sensor goes and reinstall the o2 sensors hook the battery back up and you are done. All this does is move the o2 sensor out of the fumes so it thinks the cats are working.
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Old 01-31-2013, 02:18 PM   #22
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OK boys I have the fix for less 5 dollars and 10 minutes it is done. Go to your local auto parts store and buy a pair of 18 mm non fouler plugs. They come in a two pack. Drill them out with a 1/2 inch drill bit. Disconnect your battery and then remove your rear o2 sensors screw the non fouler plug in where the o2 sensor goes and reinstall the o2 sensors hook the battery back up and you are done. All this does is move the o2 sensor out of the fumes so it thinks the cats are working.
I have already tried this and it did not work on my car... i am having this issue too i have a tuner and cj pony parts was suppose to turn the rear sensors off but the code is still up
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Old 01-31-2013, 02:20 PM   #23
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Sam buy another set and move the o2 sensor back further. With the tuner it may take two
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Old 01-31-2013, 05:30 PM   #24
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This actually worked! Unless it just reset the code for a minute but I drove alittle and nothing came up yett so I hope it worked
Glad it worked for you, if it were to come on again it would be on the next startup.. you shouldn't run into any more problems
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Old 01-31-2013, 05:34 PM   #25
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Glad it worked for you, if it were to come on again it would be on the next startup.. you shouldn't run into any more problems
I started up like 3 times and drive about 20 miles so I think I might be good now
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Old 01-31-2013, 05:40 PM   #26
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Your o2 sensors have to be good for the non foulers to work. If it is a bad o2 sensor you will still get the check engine light.
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Old 01-31-2013, 05:51 PM   #27
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Your o2 sensors have to be good for the non foulers to work. If it is a bad o2 sensor you will still get the check engine light.
I know that lol the sensors are brand new anyways
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Old 01-31-2013, 08:02 PM   #28
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Well the code popped back up so
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Old 01-31-2013, 08:09 PM   #29
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Well the code popped back up so
Lol no way....
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Old 01-31-2013, 08:40 PM   #30
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ok...so recap o2 sensor pulling up 02 heater code for driver side only, mil eliminators just eliminate in a way still being connected to the o2 sensor, therefore maybe its just me, but its quite possible that the o2 sensor downstream has completely crapped out to the point that whether or not you have mil eliminator it pops the code. it probably shorted itself hence for the code. my opinion, swap the o2 sensor with a good known working o2 sensor and reset codes and test out the car. it should solve the issue with that code, since o2 eliminators fool the ecu to think that the sensors are reading good. just my opinion.
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Old 01-31-2013, 08:48 PM   #31
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I believe this has been stated previously in this thread, nonetheless I shall repeat it--for MIL Eliminators to work the rear O² sensors must be installed and fully functional. The eliminators do their thing by modifying the output of good rear sensors so as to trick the PCM into believing the catalytic converters are installed and working--obviously they (the MIL Eliminators) require a good clean working O² sensor signal in order to do their magic.

Again, more about MIL Eliminators here...
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Old 01-31-2013, 10:41 PM   #32
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Lol no way....
Yeah man it's stupid, they are brand new sensors so idk what the hell is going on but it's whatever,I will mess with it when I'm off from work
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Old 02-01-2013, 05:22 AM   #33
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Try the non foulers it worked for me and it is a cheap easy fix.
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Old 02-07-2013, 10:49 AM   #34
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The code came off finally, I had to change out the o2 sensor lol
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Old 02-07-2013, 11:57 AM   #35
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lol what are the odds it would go bad right when you do your swap.. lol what if it was just dirty?
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