After I tried two different simulators without any luck:

https://my350z.com/forum/showthread....9&pagenumber=2

I tried the HELP method and IT WORKS!!!!!!!!!

Please remember that my car is a 2004.5, and the ECU is as nasty as it gets. All it take was two starts and the SES light would show its stupid face. NOT ANY MORE (knock on wood)

Simply get yourself a couple of Spark plug non foulers from HELP!
You will have four pieces with a little hole, drill two of them or better said, bore a hole with 1/2 drill. Unscrew the O2sensors from the cat pipes, screw them on the one you bored, then screw them on the one you didn't bore and screw all them on the cat pipe...
THATS IT!!

 

Doesn't it feel good to be SES light free!

 

It sure does!!!!!

 

454 miles and STILL no SES light!!!

 

What's the Part# of the Help!?
is it 42002 or 42009?

 

I believe the 42002 will be the one you want, but either one should work. I think the 42009 has 2 gaskets that are included being the difference.

 

I used the 42002. Perfect fit, the hardest part is the drilling, but not impossible...

 

I don't understand the instructions. have any pics?

 

LINK 1

LINK 2

I can't find the link with pics, but it's very easy. PM me if you have specific questions