Getting poor gas mileage (Hybird)

[MarcoG]

It sounds like you misunderstood the reason why.
To get accurate MPG logging. That's what the response was to.

Because you have no idea how many miles were on truck when dealership filled it up - or did they fill it up?
And did they reset the trip computer from the test drives/transport miles when they filled it?
Doubtful.

So trying to get a decent MPG figure on that first tank that is meaningful - forget it.
Burn it and start on the next fillup for tracking purposes.

(unless like me you want to burn 1/4 a tank then fillup and start the logging!)

Yes, I obviously misunderstood, if that's what you meant. i thought you meant there was an engine break-in period of a tank to get accurate mileage per gallon readings. Sorry.

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[HeyBales]

Yes, I obviously misunderstood, if that's what you meant. i thought you meant there was an engine break-in period of a tank to get accurate mileage per gallon readings. Sorry.

No, just the MPG appearing so low was mentioned, when the OP only had 1 tank of gas so far.

Now there were several prior comments and video that includes comment from Ford - it'll take more than a tank for the break-in where MPG should start improving.
Several drivers noted that already.

ETA: wrong thread, same theme.
https://www.mavericktruckclub.com/forum/threads/terrible-gas-mileage.75836

 

[Mavster Mechanic]

Also I have observed on multiple occasions it takes 150 miles to adjust your MPG / MTE to 95% correct when switching from towing to not towing or vice-versa. And it takes 250 miles to be 99% accurate.

(with my AFE bias at 950/1000 which is about as accurate as you can make it)

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