Hello I have a 01 Honda civic ex es2.
I've had egr problems insufficient flow, and insufficient valve lift and misfire in all cylinders. I replace the egr valve and it solved those codes. But now I have the code 80-01 p0401 egr system leak detected and a code for the evap canister leak. I'm not a mechanic but I am mechanically inclined and do all my maintenance and most of the repairs on my vehicles. Has anyone experienced this before cause I don't have a clue. PLEASE HELP!!!