Thanks. Thing is I just had a whole new opti-distributor put in. It's not pulling any codes anymore like it did before with the old one. Any way to test the distributor by itself? Also, was talking to my mechanic today...he thinks it might be electrical problems with one or more fuel injectors. Again, hard to test those unless you do it while the problem is happening. Who knows, I'm about to give up on the thing. Thanks!