Thread: HELP!!! Tach doesnt work TCS stays on

Originally Posted by hourang

water and electronics do not mix. if you wash your motor you need to cover all the major electronics. i lost an optispark in my 94 z28 by doing that, $500 mistake (back then).

optisparks are apparently ****ty to start with.

And yeah OP, new CPS required.

what would be the easiest way to find and replace this? sorryabout all the questions its my first car that was supposed to be a project with my dad but im getting zero help from him.