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Discussion Starter #1 (Edited)
this better become a sticky ;)


did you just get a header?

did you just get a check engine light from saying bye bye kitty cat?

fear no more child....

go to autozone and grab 2 spark plug non foulers

<


You will need to drill out a 1/2" hole in one of the Anti-Foul's

disconnect the (-) Battery


Unbolt your 2nd O2 sensor pb blaster is your friend

Now screw on the Anti-Foul with the 1/2" hole on top of the regular one and then screw it into the hole for the 02.




Screw the 02 into the Anti-Fouler's tighten everything up, Then connect the (-) Battery terminal


car is not a honda, but if you cant understand this...you need to be slapped. ;)



for all the wondering minds...it takes your secondary o2 sensor out of direct exhaust flow to tell the engines computer that the cat is still functioning. i have sported this for over a year and never had one cel for a malfunctioning cat evarrrrrrrrrrrrrrrrr.

i rep back :)
 

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Discussion Starter #6
my afterkarket header had two holes for o2 sensors, but a good write up
thats good it had two holes, youll still need this mod or youll get a cel
 

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Discussion Starter #8
then you prolly have obdI or a cat.
 

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another cheaper easier way

leave the 02 plugged in and hang it in the air somewhere ziptied up.

done.

did this in 10+ hondas. never got a cel

this only works for obd2 SECONDARY 02. dont do this with the primary
I tried that on my Y7, and after a week or so I always got a CEL. I had it ziptied right behind the A/C radiator. So I did the non-fouler trick, and Ive never gotten a CEL in over 6 months. + rep for the OP. :TU:
 

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Discussion Starter #12
what doesnt?
 

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Discussion Starter #15
i try to help out. i found alot of help here so i thought id spread the love
 

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Discussion Starter #17

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Discussion Starter #19
yes...cars with obd2 look for 2 sensors.
 

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Was going to do this on my VW the other day

Got the non-foulers drilled out, ready to install. Jacked up the car, looked up. The O2 sensor points up, not up and out. Impossible to take out without dropping the whole downpipe, which is not gonna happen.

On my old Honda, I swapped engine harnesses to a VTEC harness at the end. Instead of tearing the dash apart to drop the o2 sensor into the cat, I ran the wire under my seat, while tinfoiling the end. Never tripped a cel ;)
 
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