Caller w/Hummer and injection pump problem

Did you hear the recent show with the caller from the military and the Hummer? It wouldn’t start unless he poured water on the injection pump. When he replaced the injection pump, it still wouldn’t start unless he poured water on it. Do you think the problem was just a batch of bad injection pumps, or that the water actually had no effect on the injection pump, and the water worked because was affecting something else in the vicinity?