Author Topic: Fuel Gauge  (Read 3967 times)

JJazz

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Fuel Gauge
« on: April 27, 2022, 11:26:29 AM »
I just filled up with petrol and fuel gauge reads 468 on dashboard. I have seen this much higher, even 625 when I got the car I seem to remember?. From previous experience I have seen the gauge go up after a while. Am I going mad?.

Kremmen

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Re: Fuel Gauge
« Reply #1 on: April 27, 2022, 11:47:37 AM »
We've had similar reports.

Have you reset both trips at refuel ? If not then it 'could' be calculating based on your current MPG.

Edit: I see you are still showing an uninitialised trip B so that's probably the reason. It'll be based on that current 60mpg.
« Last Edit: April 27, 2022, 11:50:02 AM by Kremmen »
Let's be careful out there !

JJazz

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Re: Fuel Gauge
« Reply #2 on: April 27, 2022, 11:51:06 AM »
I will try that. Never usually reset trips as don’t go anywhere, ha ha. Obviously gauge on far right shows full tank.

This photo from early Feb shows 573 miles on gauge.

ColinS

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Re: Fuel Gauge
« Reply #3 on: April 27, 2022, 12:02:59 PM »
On my previous MKIII Jazz and on this HR-V it always reads 426 (I think it is) after filling and then adjusts after a few miles of diving.  It will then go up and down based on my current driving style.

Kremmen

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Re: Fuel Gauge
« Reply #4 on: April 27, 2022, 12:07:34 PM »
I've got trip A reset at refuel and trip B reset each ignition off.

Must check what mine starts off at next refill.
Let's be careful out there !

Lord Voltermore

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Re: Fuel Gauge
« Reply #5 on: April 27, 2022, 12:24:48 PM »

It estimates range  based on recent mpg history, and initially  assumes this mpg will continue.  .   This may have included periods when mpg is worse than usual   such as cold starts and high motorway speeds .

  After a while it gives a new range forecast based on your current mpg. It could go up  :D  but could go down if for instance you are now driving at higher motorway speeds.
  Trust a dog to guard your house  , but not your sandwich

JJazz

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Re: Fuel Gauge
« Reply #6 on: April 27, 2022, 12:30:20 PM »
Why can’t it just be what’s in the tank.

Just been into garage and reset trips to zero. I have set both now to fully refuelled after some messing about. Messed up my mpg now and fuel gauge number not went up. Will see if fuel gauge goes up over next few weeks which I expect.
« Last Edit: April 27, 2022, 04:56:30 PM by JJazz »

Kremmen

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Re: Fuel Gauge
« Reply #7 on: April 27, 2022, 01:28:22 PM »
For my total car mpg I use Spritmonitor, which appears in the left column under my avatar.

This uses real world fuel inserted v miles covered. Saves using a spreadsheet if you're that way inclined.
Let's be careful out there !

ColinB

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Re: Fuel Gauge
« Reply #8 on: April 27, 2022, 02:57:01 PM »
I just filled up with petrol and fuel gauge reads 468 on dashboard. I have seen this much higher, even 625 when I got the car I seem to remember?. From previous experience I have seen the gauge go up after a while. Am I going mad?.

You're not looking at a fuel gauge, you're looking at a range prediction. As others have said that will vary as you drive. Somewhere there'll be a tank level indicator (usually a series of bars that reduce as you use fuel).

shufty

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Re: Fuel Gauge
« Reply #9 on: April 27, 2022, 03:02:18 PM »
...I've experienced the fuel gauge go down a notch and then a few miles later go back up one. From 9 to 8 then back to 9. It could have been just the balance/level of the car although it did take a few mins and a few miles to do this so not so sure  :-\
« Last Edit: May 01, 2022, 12:15:06 AM by shufty »

ColinS

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Re: Fuel Gauge
« Reply #10 on: April 27, 2022, 03:18:00 PM »
It estimates range based on recent mpg history ...

Where did you find this information?  It cannot be true as my MKIII always showed 426 miles no matter how I had previously been driving.  I am thinking that it must be a factory pre-set value, maybe based on the minimum you should expect and then correcting to a more realistic figure over the next few miles.

Jazzik

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Re: Fuel Gauge
« Reply #11 on: April 27, 2022, 03:19:19 PM »
Am I going mad?.

You're not looking at a fuel gauge, you're looking at a range prediction. As others have said that will vary as you drive. Somewhere there'll be a tank level indicator (usually a series of bars that reduce as you use fuel).

You are not going mad, but you are confusing the fuel gauge with predicted range. At the very right you see your fuel gauge, showing 10 bars.
Next to it (right side) it shows a fuel pump:
If nothing goes right, go left!

JJazz

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Re: Fuel Gauge
« Reply #12 on: April 27, 2022, 04:54:33 PM »
Thanks everyone. I searched online. Here is answer

Range

Shows the estimated distance you can travel on the remaining fuel. This distance is estimated from the fuel economy of your previous trips.

Kremmen

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Re: Fuel Gauge
« Reply #13 on: April 27, 2022, 04:59:22 PM »
Nice find  :)
Let's be careful out there !

ColinS

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Re: Fuel Gauge
« Reply #14 on: April 27, 2022, 05:01:10 PM »
Thanks everyone. I searched online. Here is answer

Range

Shows the estimated distance you can travel on the remaining fuel. This distance is estimated from the fuel economy of your previous trips.

That is true but it doesn't explain why it is a fixed figure immediately after filling up.  I don't suppose it really matters a hoot, it's just that I have now got interested.

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