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Wow, everybody sure has hard-working fuel pumps. I've run the tanks to dry before switching to the other tank on my F150 for 19 years now; Here's how it goes: driving along, engine stumbles from lack of fuel, CEL comes on almost simultaneously, I flip to the other tank, engine resumes smooth operation, gas gauge zooms up to full. Of course, I don't sit there and let the pumps grind away at an empty tank for extended periods but the brief exposures to empty and especially the near empty condition don't appear to have hurt anything.
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