missing link is for the 80's turbo setups ... lol ... get it tuned and get the right map sensor for turbo ... some look jus like the oem map sensor and mounts the same and some dont .... like the gm 3 bar map sensor ( which is not the one you want) but it does the same thing that the oem map does but it doesnt register boost and resulting in the CEL .... pm MR.kidd and ask him wut you can do to get away from the missing link .