Quote:
Originally Posted by sales@delicioustuning.com
From what we've seen EcuTek can never really force a readiness monitor, it can only deactivate CEL's. So while for example we can deactivate the rear o2 sensor, the readiness monitor for rear o2 will never clear if it has no signal to begin with. 
Sincerely,
Zach
Delicious Tuning |
Unless you remove the secondary O2, it should have a signal... from my understanding, "disabling" the CEL is done by raising the limit to a value that will never be hit, so in the eyes of the ECU everything is fine.
I've seen a totally catless STI pass the Ontario (Canada) OBD test no problem.