› Forums › Car Problems & Maintenance › Hyundai › What causes P0030 and P0050 codes on 2011 Genesis 4.6?
May 18, 2025 at 5:37 pm
#1904
Eric
You went way overboard with the parts cannon. What did you replace the O2 sensors with? Was it OEM or some cheapo O2 sensors?
Your ECM should not need to be swapped with anything. Put the original back in because that has nothing to do with your problem.
The issue has to do with the circuit.