would like to see a diagram of evap system in 98 geo prism/explanation of it on 1998 Chevrolet Prizm

the car will start and turn off over nd over. then i will leave it for 10 -20 min come back and it runs like a top.for a while i had a terrible smell like either comming from underneith the car near rear of drivers front door. pulled panel under rear seat revealed fitting for fuel pump with wires and a tube. all tubes/lines/pipes going to front of car covered by a plastic cover like i have never seen.

Asked by for the 1998 Chevrolet Prizm