Bought a lambda controller free slc free c unit that was supposed to come with a lsu 4.2, actually got a lsu 4.9 and is no longer functioning, how do I identify the controller model and do I need a lsu 4.2 for it to work.
Bought a lambda controller free slc free c unit that was supposed to come with a lsu 4.2, actually got a lsu 4.9 and is no longer functioning, how do I identify the controller model and do I need a lsu 4.2 for it to work.