98 GMC Sierra 5.7 tbi Will start with plug wires 1 & 3 unplugged and laying on the manifold
98 GMC Sierra 5.7 tbi .. I was driving down the road and the engine just stopped there were no previous problems with the truck running. The truck will start with plug wires1 and 3 unplugged and laying on the manifold but it will not start with the wires plugged in. We replaced the crank sensor but it still will not start unless the plug wires are on the manifold. We have no clue as to what is going on or what we need to try next. Anyone have any idea?
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