Depends on afew things, if there is any types of fuel savers on the vehicle, if the engine has decent compression, if there is any sludge build up and what not... id say tho probably 30-40min... maybe even longer, my Dodge Spirit with a 2.5 can go probably about an hour or more, idling on a gallon of gas.
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∙ 16y agoUntil it overheats, runs out of oil or gas, or has a mechanical failure.
To save gas, it is better to completely shut off the engine rather than allowing the vehicle to idle. This saves about 5 percent more gas than idling.
Approximately 5,000 gallons of air are needed to burn one gallon of gasoline in an internal combustion engine. This air combines with the fuel in a precise ratio for efficient combustion to power the engine.
Because the engine is running. Shut it off or give it gas and it will not idle.
2.5Oz per gallon of gas
Depends on what engine it has
It varies widely. There is no single answer to your question.
6.4 ounces for each gallon of gas.
Check the alternator.
vacuum leak?
Flooring the gas petal.
It is not supposed to.