Originally Posted by 97BONNIESE
update: Shop checked fuel, injectors, ignition & found no problems. Checked compression: 30-0-75-85psi. Not good. Need engine rebuild or another engine.If i get a used engine, will I need to get the pcm also? Anything else?
As a general rule of thumb, yes.
You can more than likely keep your existing computer if and only if the donor car is both from the same year, make, and model; and has an identical engine.