Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
is the converter plugged?
the catylitic converter in the exhaust system
you have a code for it so thats where i would start
hope you can rate my service 5 star any further questions just respond
remove the upstream o2 and see if it stays running...or drop the exhaust
that the catylitic converter is restricted and will require replacemnet