[aztec1382]

Have one


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[EddieA]

I have a track only Elise without a cat. Is the post-cat O2 sensor even needed without a cat? Of course a CEL will show up.

Thanks

Get one of the kits to fool it into thinking the sensor is there. Otherwise the CEL being thrown by the missing O2 sensor might mask a real CEL leading to bigger problems.

Cheers.

 

[Apex_in_sno]

I have a track only Elise without a cat. Is the post-cat O2 sensor even needed without a cat? Of course a CEL will show up.

Thanks

No, it's only there for OBDII to see if the cat exists.