I have seen problems with the rubber boot that goes over the spark plug from the coil pack. They have gotten weak and have actually allowed spark to short out on the valve cover. (Actually arc through the boot)
You may want to check them. When this happens, there is usually a small gray spot on the boot where it arcs through.
As far as the fuel pump, you could check pressure after it sits for a few days. Here is the how to for checking:
If you need the gauge, many parts stores will lend or rent it.
Tuesday, July 21st, 2009 AT 1:53 PM