Dgc333
Well-Known Member
- First Name
- Dave
- Joined
- Aug 24, 2021
- Threads
- 13
- Messages
- 1,569
- Reaction score
- 3,528
- Location
- Massachusetts
- Vehicle(s)
- 21 Ranger Lariat
- Occupation
- Engineer
Well all manufactured items can and do fail. I doubt very much the ones you have experienced failed because they were not adequately cooled.And I have had just the opposite experience while working on vehicles over the years. I have had to replace fuel pumps on vehicles where the drivers are constantly running the tank down to empty.
So no it isn't just an old wive's tail. There actually is some truth to it. Though you have to run the tank down to empty on every fill up and it takes a while to happen.
In my 50+ years of driving I have never thought about filling the tank before it got to 1/8 or the low fuel warning light came on. My first efi vehicle with an in tank pump was a 1985 and have accumulated about a million miles on vehicles with in tank pumps. I have had one failure. One thing I can say for sure electric fuel pumps are orders of magnitude more reliable than the mechanical pumps that were driven off the cam or crank.
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