98 venture van replaced the purge valve because was bad to we replaced the other cylenoid as well

Question

we used a scanner to erase the code and the light came back on when we cranked the van.

Answer 1

If the CK ENG LT return right away what you have is a hard code,  there is a soft code and a hard code,  a soft code if returns return when a certain monitor run and set , a hard code set right away, these are open circuit, short circuit , grounds,