Quote:
Originally Posted by Lotus7
Anytime it's convenient, as long as you don't risk running out of fuel. Modern, high-tech engines, especially the N55, can be damaged by being allowed to run down to an empty tank. Allowing air to enter fuel system can result in damage to the LPFP (low pressure fuel pump) the infamous HPFP (high pressure fuel pump), the engine's exhaust valves, and the exhaust O2 sensors because of the excess O2 present as the engine runs dry.
I never like to see the gauge get below 1/8 tank. I haven't seen the "low fuel warning" yet, but I suspect it will trigger at between 1 and 2 gallons remaining.
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Thanks again, as always, for the info