hello, i have a 95 blazer 4.3 vortec. runs smooth no problems but ser eng light keeps coming on and when i check it with scanner it shows p1441-evap system flow during non-purge. i have reset code and it comes back on in about 9 or 10 miles.. what do i need to do to correct problem ?

 

Have a read through this post.
P1441 Explained
If you have further questions, come back to this thread and post up.

 

thanks a lot i believe this is what i needed..