![]() 11/14/2016 at 08:24 • Filed to: Ask me how I know | ![]() | ![]() |
You car is probably full. Don’t expect the shutoff that you’ve tried to negate to still function and don’t wait until the tank overflows.
![]() 11/14/2016 at 08:35 |
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I’m just starting to feel bad for you now. sorry man.
![]() 11/14/2016 at 08:42 |
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Depends on the vehicle and the pump and whether they play nice together. In other words...
No. There is no way to accurately know when your tank is full. For example, my truck... Usually the pumps (say 75-80%) shut off when my guage reads around 20% over the full line. I’ve come to accept that as normal. However, some pumps will not cooperate and shut off at or sometimes even below the full line, a difference of 2-3 litres, aka enough to seriously throw mileage calculations out of whack. Solution, presented by someone on here (BigBlock 440? AtlasM? not quite sure) is apparently a standardized way of filling a tank. Fill to first click, wait 15 seconds, fill to second click, wait 5 seconds, at the third click you’re done. Ends up much more consistent. And yet... the voodoo that is tank-pump relations can still throw a curveball. Like being empty, and despite putting in 5L less than usual, spilling over without shutting off. And the tank was NOT reading full.
TL;DR, filling up with fuel consistently is horseshit. Use your best judgement but if it sucks don’t come crying to me.
![]() 11/14/2016 at 08:50 |
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Except for when it is. Tank on empty and you can only get a gallon or two in the tank before it shuts off? Yeah, it’s not full.
On some modern cars, the filler neck facing the wind is enough to get it to shut off prematurely...
![]() 11/14/2016 at 08:58 |
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Take into account if you’re parked on level ground or not, i find that affects mine too
![]() 11/14/2016 at 08:58 |
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You can always tell the cars that are owned by people who do this. All the paint below the filler is gone and replaced by rust.
![]() 11/14/2016 at 09:01 |
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Its definitely a judgement thing. The tube on my old outback was warped and it would always shut off unless you got it in at just the right angle to the point I could never take it to a full service station because I would never get more than 1/8 tank. Specifically trying to override the safety is dumb though.
![]() 11/14/2016 at 09:02 |
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Well, I haven’t exactly taken a level to the gas station, but they seem pretty level to me. And it can be different (consistently different) between two pumps at the same location.
That said, who knows...
![]() 11/14/2016 at 09:30 |
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Recently replaced the tank, hoses, and sending unit on my truck. Now the gauge reads correctly and doesn’t leak gas when I park on a hill. It’s easier dealing with a misreading gauge than fixing it but it’s so much nicer when it works
![]() 11/14/2016 at 09:33 |
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That’s why I’d spent an additional twenty minutes scrubbing the side of my car with different cleaners. Sigh.
![]() 11/14/2016 at 09:38 |
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This reminds me of another PSA I learned about last week. If your car is 15 years or newer, do NOT top off. Filling your tank past full causes fuel to go into the EVAP Canister. The EVAP canister is there to prevent fuel and fumes from going into the atmosphere. It can only hold so much, overfilling will shorten its life, and they cost anywhere from $250-$1000 depending on the car. Fill up till it clicks off once, and that’s it.
![]() 11/14/2016 at 09:38 |
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In my defense, when I say circumventing the shutoff, I mean angling the nozzle and lifting the hose so that it will very slowly dispense gas into a half empty tank with the little thing set on the trigger set.
![]() 11/14/2016 at 09:39 |
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My Jag is 15 years old and already has a small evap leak. You did not make my morning. :/
![]() 11/14/2016 at 10:51 |
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small evap leak could mean a TON of things. It could even mean you were one click short on your gas cap tightening. don’t stress yet and it might not even be worth fixing at this point.
![]() 11/14/2016 at 11:43 |
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As an NB miata owner: lol no. Recall on the filler tube because the stupid pump always shuts off too early and screws up my MPG calculations, so I leave the ignition on with the car off so I can use the fuel gauge to tell when it’s full. Super fun times. I should probably get that new filler neck part.