1997 Audi A4 1.8t
P1250-fuel level to low
P1426-Tank Vent Valve Open

i got misfire on Cly 1 and 4 but those i don't care for i know what cause that i just don't know what causes these two codes mention above any ideas i never seen them.

i just start the car early morning freezing outside moved it from one parking space to another and the check engine light came on with those codes.

 

Fixed.