In a message dated 8/4/04 8:12:19 AM US Mountain Standard Time, pottsf@msn.com writes: > Does this form any sort of coherent picture to anyone? If so, I'd love > to hear what. Educated guesses are very welcome. > Thanks. > Jie, Do a cylinder balance test. Also check each plug wire with your timing light for a smooth and consistent series of sparks. Regards, Bob helt