Thanks Jim! Between you and TheVirginiaDude, I just received an eye opening education and I'm going to grill my mechanic this week. I'm getting a very uneasy feeling that since new fuel filters, glow plugs, and fuel injectors haven't fixed the problem, we're talking about a potentially serious and costly fix over and above the $1K I've already spent. If that's the case, although I hate to part with her after all these years, I'll probably be forced to just because of economics. Thanks for your input.