1. #1
    JPNinPA's Avatar
    JPNinPA is offline Senior Member
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    Running on Empty

    Good read. Just remember it's not good to run a tank dry.
    https://www.yourmechanic.com/article...sher=Skimlinks

    JeepWrangler2.8 gallons47-58. Based on stock mpg estimates.



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    JPNinPA

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    "Never look down on anybody unless you're helping him up" - Jesse Jackson

  2. #2
    TerryMason's Avatar
    TerryMason is offline Administrator
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    Re: Running on Empty

    I'm constantly running mine down below the E, and coasting in on fumes. I hadn't really thought about causing damage.
    I say this after having recently replaced my TJ's fuel pump. I did noticed that the inside of my fuel tank looked pristine - I didn't see any visible particles or debris.

    How could this damage the cat though?

  3. #3
    JPNinPA's Avatar
    JPNinPA is offline Senior Member
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    Re: Running on Empty

    By overheating it. When you run on fumes you are running lean. This condition heats your engine and exhausts gasses. I actually had a O2 sensor go right after running mine out of gas on the highway. And I did note it was above 210 on the temp gage.


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    JPNinPA

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    "Never look down on anybody unless you're helping him up" - Jesse Jackson

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