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TopicHow empty do you let your gas tank get before filling it?
Bugmeat
11/30/17 7:04:06 PM
#14:


Typically whenever I think about it once it's below 1/4. But I generally only think about it when my car reminds me.

As for clogging the injectors or what not if the fuel level gets low. The pump often (not always) sits inside the tank at the bottom so if it's going to pull up stuff like that it will do it even if you have a full tank. Bumps in the road and what not would slosh the fuel around and stir up any crud in the tank anyway. But it has a fine mesh around the pump to help stop impurities from being sucked in and there's also a filter further down the line for anything finer that gets through.

The biggest issue with running your tank dry is that it can shorten the life of the pump since it relies on the fuel as a lubricant a and a coolant. Doing it often can negatively impact the life of the pump. Generally if a pump is intended for liquid it shouldn't be run dry.
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