Would Mileage Improve after Car Servicing

tobuyRnot2buy on 28/12/2022 - 23:53
Last edited 29/12/2022 - 00:04 by 1 other user

I drive a 2020 Tucson ActiveX. Full tank used to show a mileage of 550km to 580km depending on how much of it is on highway.

After its 40,000km servicing it is showing 716km for full tank.

Has anyone seen something like this before?

Automotive Car Hyundai Motors SUV

Comments

  • randomusername2017 on 28/12/2022 - 23:59
    +4

    algorithm needs to recalibrate… Burn through a couple of tanks post service and it'll have more relevant usage data to work with.

  • pegaxs on 29/12/2022 - 00:02
    +5

    Yes and no, but not by that much. Sounds like they just did a fuel trim/ecu reset, so the car will now have to work out your driving cycles again to calculate the dynamic range guesstimate.

  • tobuyRnot2buy on 29/12/2022 - 00:09
    +2

    Makes much more sense now. Thank you

  • Euphemistic on 29/12/2022 - 06:27
    +1

    Unlikely it would actually change by that much.

    Distance to empty is a guess by the computer based on your recent driving habits. It isn’t a true measure of consumption as it can be influenced by recent driving conditions or as above could be due to the computer being reset. It could be as simple as the fuel level changing unexpectedly by parking on a slope at the ‘wrong’ time.

    If you really want to know what your consumption is you need to record how much fuel goes in and how many kms you are doing per refill. There are plenty of apps available to help you record it. It’ll vary by as much as 10% between tanks.

  • GordonD on 29/12/2022 - 10:17

    Sounds like the OP is telling us what the computer is predicting for the first tankful after a service.

    Things like this can happen after a service because the computer learns from experience of how you drive, and the service clears its record of experience, and it has to go back to predicting based on optimistic factory defaults.

    Wait and see what kilometerage you actually get.

  • JIMB0 on 29/12/2022 - 20:49
    +2

    Get another service to see if it goes over 900km. If successful go again for over 1000km range.

    • randomusername2017 on 29/12/2022 - 23:09

      Wonder if that'd work for a Tesla …

      • Euphemistic on 30/12/2022 - 07:17

        Incremental OTA updates recalibrate the kms travelled slightly shorter so it looks like you are going further.

  • ESEMCE on 30/12/2022 - 08:08

    Flat tyres are now properly inflated?

    • tobuyRnot2buy on 31/12/2022 - 04:13

      I always filled them at 38psi

      • Muzeeb on 31/12/2022 - 13:17

        That's pretty high for cold psi. What size wheels/tyres?

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