Forget the computer. They don't cause much trouble. The clue is the missing voltage to the cam and crank sensors. Unplug one of them, cycle the ignition switch off and back on to reset the power supply in the computer, then see if the voltage comes back. When one of those sensors is shorted, it will kill the power supply to them. The computer will shut that supply down to protect itself. Also look for wires that fell onto the hot exhaust, melted, and shorted to ground.
It's the pulses from those sensors that tell the Engine Computer when to turn on the ASD relay.
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Friday, December 3rd, 2010 AT 6:53 PM