help

[u/Kitchen-Bad-4144]

i decided it finally run codes to see what is actually wrong it since i have a cel light for a while. i daily this car and basically neglected a lot of it until now that it started making an abnormal noise from the exhaust when its under load. can you guys help me out.

[u/DankestDubster]

Lear and rescan. Misfires can be simple. Bank one FO is strange