VW n/b trouble codes?

after got misfire code ,I changed spark plugs and wire set and now I get new codes:



17633 P1225

Cyl.1-Fuel Inj.Circ. Short to Ground



17634 P1226

Cyl.2-Fuel Inj.Circ. Short to Ground



17635 P1227

Cyl.3-Fuel Inj.Circ. Short to Ground



17636 P1228

Cyl.4-Fuel Inj.Circ. Short to Ground



17908 P1500

Fuel Pump Relay Circ. Electrical Malfunction



what should I do now and how to fix this problem ? anyone has experience with this please show me how.

thanks a lotVW n/b trouble codes?Replace your Fuel Pump relay. These are intermitent DTC's caused by the relay.