I just bought a 1999 V70XC that had a bad fuel pump. Got the fuel pump swapped (after many a headache) and now I have hard starts with a check engine light (p0237 & p0236).

I've changed the MAF sensor and Turbo Boost Pressure Solenoid Valve. I've also put new plugs in.

Any ideas on the codes and hard start? Car runs great after the first cold start.