Check engine light

[Johnferris]

Have a 2003 cobra I have bassani catted x pipe now and I just picked up a off road x pipe. The pipe came with all the sensor holes and everything for installation. Will my check engine light turn on with out the cats?

 

[Coxy]

If your rear o2's have not been turned off in the tune, it should/will turn the light on for cat deficiency. It's pretty common to disable them though, so it's a gamble.

 

[hotcobra03]

I have longtubes and no cats...

all o2s are on and I never had issue with them..

I do have a predator performance tune ...

when I first installed them I read you need to turn them off and use eliminators but that caused check engine light..

 

[03' White Snake]

You have 2 options,

1, turn off rear 02's with a tune. This might make you fail inspection, all depends on your inspection requirements.

2, buy MIL eliminators that plug into rear o2's and will keep your check engine light off.

 

[Johnferris]

Thank you

 

[Black02GT]

Pretty sure in NY your allowed to have 2 monitors off. I "Pass" inspection with the rears off. I've heard a lot of people having issues with the new inspection rules but haven't myself yet.