Hello all, I have an 82 rampage 2.2 with carburetor. I am getting my check engine light am am trying to get the computer to flash codes so I can see what’s up . I am trying the on-off-on-off-on with the key and I am getting nothing. Is it the red check engine light that flashed or might I have something else going on or going about it the wrong way. Any help would be greatly appreciated.