Gallons per hour burned during idle?

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Thread: Gallons per hour burned during idle?

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    Junior Member TennDECA's Avatar
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    Default Gallons per hour burned during idle?

    Any idea how to compute how many gallons of gas per hour my '06 Tundra DC 4x4 burns (4.7 V8) without actually blowing through a tank of gas testing it (assuming no A/C on, etc.)?
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    Veteran Member shall36's Avatar
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    Default Re: Gallons per hour burned during idle?

    My scangauge says .6 gph at idle with A/C on. 2003 V8. Your mileage may vary.

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    Default Re: Gallons per hour burned during idle?

    on my 06 dbl cab 2wd it burns .4gph @idle and around 19gph at full throtle if you want to know how much at certain speeds...ask

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    Default Re: Gallons per hour burned during idle?

    Quote Originally Posted by lalojamesliz View Post
    on my 06 dbl cab 2wd it burns .4gph @idle and around 19gph at full throtle if you want to know how much at certain speeds...ask
    hows the mileage at 60 vs 75?

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    Junior Member mungo's Avatar
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    Default Re: Gallons per hour burned during idle?

    ScanGauge II rocks.

    I'm riding one of the Harleys tomorrow, but I have a 06 DC 4x4. May be worse than a 2wd, but I'll let you know Monday or Tuesday if no one replies.
    Lee

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    Default Re: Gallons per hour burned during idle?

    Quote Originally Posted by TennDECA View Post
    Any idea how to compute how many gallons of gas per hour my '06 Tundra DC 4x4 burns (4.7 V8) without actually blowing through a tank of gas testing it (assuming no A/C on, etc.)?
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    Default Re: Gallons per hour burned during idle?

    How much gas do we use at/during each start-up?

    Because I do A LOT of short trips during work hours, and I'm betting heavily that is the reason my calculated mpg's at each fillup seem so low. I'm not really driving "miles" per gallon.
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    Default Re: Gallons per hour burned during idle?

    Quote Originally Posted by jdeaton View Post
    hows the mileage at 60 vs 75?
    next time i go somewhere ill check. one thing i noticed is when using the a/c, the milage drops 5mpg when the compressor kicks on. and another thing i noticed, when the coolant temp. is 186f the milage is great now when it gets to 190 their is a 3-4mpg diffrenceand this is within minutes of each other so the outside temp. was the same every time and their is no grade diffrence. if you doubt me and have a scanguageII, TRY IT AND YOU WILL SEE. constant on and off on the gas causes this thats why i get up to my desired speed and dont speed up or down unless i have to.

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    Default Re: Gallons per hour burned during idle?

    Don't forget the 20 minute idle limit on the 4.7L engine.
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    Default Re: Gallons per hour burned during idle?

    What is this 20 minute idle limit you speak of?
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    Default Re: Gallons per hour burned during idle?

    20 minute idle limit?
    Lee

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    Mech. Engr. / Mechanic single's Avatar
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    Angry Re: Gallons per hour burned during idle?

    Quote Originally Posted by shall36 View Post
    My scangauge says .6 gph at idle with A/C on. 2003 V8. Your mileage may vary.
    Okay, you win... you cost me some more money.

    Over the past several months I keep seeing posts by people similar to the above. Quoting mpg, or gph, or error codes, etc. I'm always thinking, man.. I wish I had a scanguage... well, now I've ordered one and it's all your fault.

    Now, I'm still waiting to hear some more on this 20 minute idle limit! Never heard of such a thing. I used to have a remote start on a vehicle you could set to run for 20 minutes then shutoff. It would cycle at a predetermined time interval throughout the night (or day).
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    Default Re: Gallons per hour burned during idle?

    Quote Originally Posted by Dee Cab View Post
    Don't forget the 20 minute idle limit on the 4.7L engine.
    my co-worker has his idling for about 6 hours when he was stuck in a snow storm that close the highway down. he had his truck on for his kid to keep warm. but damn, 6 hours....

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    Default Re: Gallons per hour burned during idle?

    Whats the harmful effects of leaving a gasoline vehicle on for hrs at a time? Besides wasting fuel. Does it effect/water pump/oil pump/ etc...

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    Default Re: Gallons per hour burned during idle?

    I'm sure if its 100+ outside the engine will probably overheat after a while but who knows.I've kept my company gas truck running all night and it actually doesn't burn much gas and never overheated and this was with a Chevy.Go AT&T.
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