GT350 o2 defouler

[Ivan350]

I’m currently running Headers and e85 on my 2017gt350 and my O2 sensors did not pass inspection. Can anyone recommend any defoulers/extentions?

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[junits15]

need to make sure this isn't a tune issue before you throw non-foulers on.

If your o2 sensors are "not ready" you will still fail inspection with the spacers. Do you have either P0420 or P0430 stored or a CEL on the dash?

 

[Ivan350]

need to make sure this isn't a tune issue before you throw non-foulers on.

If your o2 sensors are "not ready" you will still fail inspection with the spacers. Do you have either P0420 or P0430 stored or a CEL on the dash?

Nope no CEL on the dash.

 

[junits15]

Nope no CEL on the dash.

Then unfortunately id bet you still wont be able to pass with the non fouler installed.

If the rear o2 sensors are not ready you'll fail for that, if your tune disables the rear o2 sensors (to avoid the CEL) they never go ready.

 

[Wildwildwest]

Then unfortunately id bet you still wont be able to pass with the non fouler installed.

If the rear o2 sensors are not ready you'll fail for that, if your tune disables the rear o2 sensors (to avoid the CEL) they never go ready.

What he said

 

[Ivan350]

Then unfortunately id bet you still wont be able to pass with the non fouler installed.

If the rear o2 sensors are not ready you'll fail for that, if your tune disables the rear o2 sensors (to avoid the CEL) they never go ready.

alright thanks for the info man , I’m going to give my tuner a call to see what he can do.

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