Originally Posted by Rmwebb

Hello, don't know if I'm going about this right first time posting. I've tried everything to get this cat monitor and o2 monitor to run on my vehicle. It's been about 800 miles now. I've done the drive cycle multiple times. The only thing I notice is I have a U0073 and U1900 for abs can code but don't think that would cause an issue with monitors. I've noticed my LTFT is at 0% all the time and STFT is at 21% at idle with no vacuum leaks if anyone has a little insight it would be much appreciated I can also supply any other info needed. Thank you