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Tried to take car for registrationm today. First time since H/C/I....
Anyway, logged in with EFI Live and saw 2 not ready's but didn't know WI rules. Found out they only allow one.....so I failed.
My two not ready's were O2 Sensor & O2 Sensor Heater. Had a few PO153's this year so may have a problem with Passenger front O2 Sensor. Actually bought a new rear O2 sensor to try in front along with LG adapters but haven't taken time to install. Up to this point have all 4 sensors like OEM in headers with some tuning. Have a feeling I could drive forever and not clear these.
Should I try and change the sensor which will mean dropping passenger header or is there some tuning tricks I can use?