Have encountered the SES light numerous times, going on at least a couple of years.
Error codes that I have encountered
Misfires (all 6 cylinders)
I’m just spitballing here, these are all worth investigating.
Air and fuel. Are there any vacuum leaks allowing air to enter the system downstream of the MAF sensor?
Inaccurate readings along air path. MAF sensor, O2 sensors
Irregular fuel pressure. Fuel pump, fuel injectors.