this is very true. try not to let the fuel get so low. i know this shouldnt matter but it helps. the fuel sending unit in my ranger is 20 years old lol knock on wood. iv been pretty luck just raplced the battery and alernator 2 years ago and they where also original lol so i cant complain but forsure try and keep the fuel level up it helps out on thpwe gm vehicals. they are know for that