Originally Posted by Efthreeoh
Not sure I agree with this totally. The pump fails because the electronic control components are mounted on the rear of the pump housing and are heat cycled to death. I think the failure is more of a function of heat soak rather than just pure running time of the pump. Meaning, a two cars could have the same operating time at different mileages, but if one car is in Dallas, Texas, and the other in Juneau, Alaska, I'd bet the Alaskan car's pump would last longer.
That's my impressions too. It looks to me that there are more cases in the southern part of N. America than in New England and above. Possibly that the batteries last longer here too.