How to empty the tank on a Yaris! - Toyota Yaris Forums

Yaris Hilton · 07-28-2009, 10:26 PM

Up to 10% gas in diesel fuel has been recommended in winter to keep wax from precipitating and clogging the fuel filter. That came from the owner's manual of my Dad's 1983 Diesel Chevette (Isuzu powered) as an alternative for winter fueling when the recommended #1 Diesel fuel (which is ordinary kerosene) was unavailable.

Gasoline will effectively decrease the cetane number of your fuel and make the engine knock more. (Diesel knocking is a consequence of delayed ignition after the fuel's vaporized and mixed. High octane doesn't help that, it makes it worse.) That, and reduced lubricity of the fuel in the pump and injectors are what limit the use of gasoline in most Diesels. You might be interested to know, though, that gasoline is the original fuel that Dr. Diesel used in his first test engines in the 1890s.

It's not hard to stick a hose down in the tank and pump or siphon the fuel out.

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07-28-2009, 10:26 PM	#8
Yaris Hilton Half a Bubble Off Plumb Drives: 2009 Yaris Sedan Join Date: Mar 2009 Location: Bristol, Tennessee, USA Posts: 1,593	Up to 10% gas in diesel fuel has been recommended in winter to keep wax from precipitating and clogging the fuel filter. That came from the owner's manual of my Dad's 1983 Diesel Chevette (Isuzu powered) as an alternative for winter fueling when the recommended #1 Diesel fuel (which is ordinary kerosene) was unavailable. Gasoline will effectively decrease the cetane number of your fuel and make the engine knock more. (Diesel knocking is a consequence of delayed ignition after the fuel's vaporized and mixed. High octane doesn't help that, it makes it worse.) That, and reduced lubricity of the fuel in the pump and injectors are what limit the use of gasoline in most Diesels. You might be interested to know, though, that gasoline is the original fuel that Dr. Diesel used in his first test engines in the 1890s. It's not hard to stick a hose down in the tank and pump or siphon the fuel out.