2000 sierra 5.3 no cats need to delete rear o2

nystevez28 · Post by **nystevez28** » Fri Sep 10, 2010 3:15 am

OK i have a 2000 GMC Sierra, just got predator from a local dealer 2 months ago. Is there a way to delete rear o2's to pass odb inspection?
I really dont want to go back to the local guy as he was FOS and costly.
Please help! I can and do have all the stuff to upload and download tunes from my predator.

Post by **mikel** » Fri Sep 10, 2010 9:27 am

Turning the codes off in the tune will not pass emissions, it will instafail.

nystevez28 · Post by **nystevez28** » Fri Sep 10, 2010 10:43 am

cool completely understood.

SandMan817 · Post by **SandMan817** » Fri Sep 10, 2010 6:30 pm

mikel are we talking obd1 or obd2 emission testing? if they do tailpipe testing(obd1) then yes it will insta fail beacuse there are no cats. with obd2 as long as all the rediness monitors are completed and the cel is off, then it'll pass emissions. tons of people go through emissions with no cats and pass with no porblem.

2000 sierra 5.3 no cats need to delete rear o2

2000 sierra 5.3 no cats need to delete rear o2

RE: 2000 sierra 5.3 no cats need to delete rear o2

RE: 2000 sierra 5.3 no cats need to delete rear o2

RE: 2000 sierra 5.3 no cats need to delete rear o2