Check engine light on steady 1 yr. How do i trouble shoot OBDll code # p2204.

What is your question?

Check engine light on steady for more then 1 yr. OBDll codes- P0128, P2224 Bank 1. Recently replaced thermostat. Car was running too cold. Also had to replace serpentine belt. Due to powersteering leak from reservoir cap. Now only code coming up is P2224. And steady check engine light is still on.

How long has your 2010 Ford Focus had this problem?

Over 1 year