When does your low fuel light come on? - Toyota RAV4 Forums
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post #1 of 6 (permalink) Old 02-17-2017, 01:06 PM Thread Starter
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When does your low fuel light come on?

I have about 3500 miles on my Rav now, and just the 2nd time I hit the low fuel light. I usually fill up at 1/4 tank. What I noticed this time was when I hit 1/4 tank, the gauge dropped very rapidly. Then after the low fuel light came on, I drove maybe 10 miles then filled up. It only took 12.3 gallons of gas, and manual says it holds 15.9?
This seems very odd to me. So just as the needle hits slightly above empty (where my light comes on), I actually have darn near 1/4 tank?
Are others seeing this? I don't remember seeing this posted, I would think others would question the reserve capacity if so.

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post #2 of 6 (permalink) Old 02-17-2017, 02:05 PM
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Yes there is a reserve of close to 3 gallons or something like that. It is "normal". Pretty high reserve though.

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post #3 of 6 (permalink) Old 02-17-2017, 02:11 PM Thread Starter
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Originally Posted by Nodnerb View Post
Yes there is a reserve of close to 3 gallons or something like that. It is "normal". Pretty high reserve though.
My manual says 2.5 gallons reserve is when the light should come on. This shows in my case it is just under 4 gallons in my Rav.

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post #4 of 6 (permalink) Old 02-17-2017, 04:27 PM
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You need to have some fuel (about 2 gallons), in the tank to keep the pump primed, and to keep it cool.
Figure the usable fuel is about 13.5 gallons.

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post #5 of 6 (permalink) Old 02-17-2017, 08:56 PM
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We've discussed this many times on the previous generation. The conclusion being that when the light comes on, you have between 3-4 gallons left. Mine is pretty much at 4 gallons, so I don't need to panic when the light comes on.

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post #6 of 6 (permalink) Old 02-18-2017, 12:56 PM
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I usually don't wait until the light goes off, but it is around less than 1/4, still around 40mpg to drive until E.
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