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Forums > Global Forums (English) > Help & Support

Unresolved
Fuel

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Simon Mahon medal 5574
4 days ago
Hi ,I suppose this may make me look stupid ,but since the update i have run out of fuel with a lap and a half left to run ,has the update changed anything regarding this ?
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Jack Basford medal 5143 CEO & CTO
4 days ago
Hi Simon, do you have more info?

1) You didn't cancel the pit stop?
2) What happened when you ran out of fuel? Did the car coast around or just stop instantly?

I did hear a couple of instances of this in testing, but never got time to explore it deeper.
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HCR 07E medal 5600
4 days ago
Hi Simon,

Was it raining? I noticed that in the rain/(wet track) fuel consumption is higher (iGP26). When the track is dry, consumption goes back to the normal of the old iGP.

Has anyone else noticed this? Just a reminder, this isn’t IRL.
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Simon Mahon medal 5574
4 days ago
Not really sorry ,a bit busy this time of year so have set up but not participated,
I always use a spread sheet, and in the years I have played the game I can honestly say I have never ran out of fuel !
The first race was wet /dry but the one tonight was completely dry but the same thing happened. 
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HCR 07E medal 5600
4 days ago
Was your engine at 100%?

When it’s not, fuel consumption increases.
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Simon Mahon medal 5574
4 days ago
Yes mate it definitely was 👍
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Yousuf Azadzoi medal 5357
4 days ago

Jack
Hi Simon, do you have more info?

1) You didn't cancel the pit stop?
2) What happened when you ran out of fuel? Did the car coast around or just stop instantly?

I did hear a couple of instances of this in testing, but never got time to explore it deeper.



I'm have a feeling fuel and tire wear has changed. And definitely pit times. Whether it was intentional or not, I'm not sure. But the pit times are significantly shorter. Which is encouraging more stops
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Red Craigie medal 5162 Super Mod
4 days ago

HCR
Hi Simon,

Was it raining? I noticed that in the rain/(wet track) fuel consumption is higher (iGP26). When the track is dry, consumption goes back to the normal of the old iGP.

Has anyone else noticed this? Just a reminder, this isn’t IRL.



Any increase in fuel consumption during periods of rain in iGP would be due to push level use, an indirect impact rather than direct. If you maintain the push level, rain will not change consumption at all.
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HCR 07E medal 5600
4 days ago

Red

Any increase in fuel consumption during periods of rain in iGP would be due to push level use, an indirect impact rather than direct. If you maintain the push level, rain will not change consumption at all.



OK 🤖
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Yousuf Azadzoi medal 5618
4 days ago
Something definitely off with fuel consumption between certain compounds. I ran a Mexico race just now. Full pl5 inters had me at 2.1 most of the race. Then showing 2.0 at the end. I had accidentally put on softs. Full pl5 was showing 2.3 usage. Same push level, just a different compound. 

Red

HCR
Hi Simon,

Was it raining? I noticed that in the rain/(wet track) fuel consumption is higher (iGP26). When the track is dry, consumption goes back to the normal of the old iGP.

Has anyone else noticed this? Just a reminder, this isn’t IRL.



Any increase in fuel consumption during periods of rain in iGP would be due to push level use, an indirect impact rather than direct. If you maintain the push level, rain will not change consumption at all.



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Simon Mahon medal 5574
3 days ago
Nope something is way off here , I only managed 53 laps out of 55 tonight in Malaysia,  other people in my league are running out of fuel also ,never in 3 years of racing has this happened to me once, now since the update 3/3 DNFs due to a lap and a half fuel shortage, something really is wrong here !
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HCR 07E medal 5600
3 days ago
Were you online?

If you were offline, the problem might be tyre overheating, which results in higher fuel consumption in iGP26.
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Alex Zapesochnyi medal 5485
3 days ago Translate
When driving laps in Practice, it is clear that different types of tires have different fuel consumption rates per lap. The harder the type, the higher the fuel consumption. Probably, intermediate tires also have increased fuel consumption during rain. I don't understand the reason for this dependence on tires.
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Simon Mahon medal 5574
3 days ago
I will not be on during the Christmas period im far to busy but will set up ,I was only on pL3 ! Now overheating or not or different tyres this has never happened before,
I cant always play but have set up for 3 years before the update and never ran out of fuel !
So I have gone from never running out in 3 years to running out the last 3 races since the update by a lap and a half !
Now tell me its nothing to do with the update ?
Another driver has the same problem as me and have seen a few people on the forum with the same problem!
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HCR 07E medal 5600
3 days ago
With iGP26, it feels like a completely different game where the old rules no longer apply. Managers everywhere are having to rediscover new nuances and hidden variables.

If you have run out of fuel by exactly 1.5 laps three times in a row, the solution is simple: recalculate your load by adding that specific difference (plus a small safety margin) to your setup. Test this adjustment in your next race to see if it stabilizes your results.

Happy racings !!! 🤖
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David Parker medal 5458
3 days ago
I have found the 'auto' pit feature when a car is close to two laps of fuel doesn't always trigger.

e.g. my car has 1.8 laps remaining, the car should pit at the end of the lap, but instead stays out. I dnf'd in my last race because of this (Canada). I didn't change push level, so I don't know why.

I also find that my cars are trying to do more laps than their target strategy. When it says 'about 10 laps' in the setup, I can't tell if that means 9.5, 10.5, 9.1, 10.9 ?
 Just realised there's a bug here too with the tooltip, so I opened a bug report about that.
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Red Craigie medal 5162 Super Mod
3 days ago (Last edited by Red Craigie 3 days ago)
Hi David
            Jack can confirm but i'm pretty sure that the tooltip only exists to inform you that the number of laps is estimated, and therefore should not be considered as accurate. iGP's fuel calculation has always been a little conservative so usually it means you will over-run on the number of laps displayed, if you are running at an average push level of 3 or lower.

Your judgement of the auto pit seems a little off, it usually triggers when less than a laps worth of fuel remains, not 2 laps. This can lead to niche situations where you start an extra lap without enough fuel. Brazil is the worst for this as it has a point of high fuel consumption just before the pit entry (acceleration zone up the hill), its very easy to get caught out there.

Canada is possibly similar, but personally i've never experienced it there.

---

On the fuel consumption problems, i've been looking into it and so far my conclusions are as follows: the practice laps are broadly giving accurate fuel consumption readings, tested to 2 decimal places using a TF with Rare Fuel Economy.

For mexico which I just tested, all push levels came in with the consumption I would expect.

However i'm starting to suspect that racing wheel to wheel with another car is increasing the fuel consumption slightly.


Edit: I will also add that if anyone is using model's, plug ins or player created tools to calculate your fuel. There is the possibility that these are now inaccurate, the one I used to use is underestimating fuel by quite a bot.
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Simon Mahon medal 5574
2 days ago
Right as im a lap and a half short ,im putting in 3 extra litres tonight rather than use the spread sheet I've had for the last three years !!!
How strange does that sound ? I cant attend but have just set up so I will let you know how I get on.
I can only imagine this is going to make me race at a snails pace so if I finish it will be interesting to see where I finish.
Before the update my team had a 70 point lead ,im 15 behind now so I've never been slow ,so this should be interesting 🤔 
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HCR 07E medal 5600
2 days ago
That’s a great point!

However, I noticed the PL have changed too.
In my last race, I used to run at PL3, but the optimal pace has shifted to PL4-5 now (maybe that’s why you’re feeling 'slow').
Like I mentioned before, we managers are having to rediscover these new nuances and hidden variables. 🤖

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Simon Mahon medal 5574
2 days ago
Extra 3 litres i made it home ... just ,I had 0.2 litres left, but im now way off the pace ,cars finished 4th and 5th but a whooping 15 &17 seconds behind !
Intersting point about PL, but isn't this because of cooler weather, or if it has shifted does that mean I'll have to put even more fuel in 🤣
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