2 code please help.

Diagnostic Trouble Code (DTC) P1443 indicates an incorrect evaporative system purge control valve flow.

Possible causes:

Obstructed, open or cracked hoses between EVAP canister purge valve and intake manifold.
Damaged EVAP canister purge valve.
Damaged PF sensor.

DTC P0175 bank (2) indicate the fuel/air ratio is too rich
Possible causes:

Fuel system

Excessive fuel pressure.
Leaking fuel injector(s).
Leaking fuel pressure regulator.
Low fuel pressure.
Contaminated injector(s)


Induction system

Restricted air inlet.
PCV system.
Fuel purge system!!!!!!!!

I had both these codes when I first bought my car and some how it turned out to be a dirty maf from the K&N filter oil. cleaned it and no more code.