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Improbable MPG Figures - Post Yours

Hypermiling

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152 replies to this topic

#151 ONLINE   MorrisItalSLX

MorrisItalSLX

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Posted 14 August 2017 - 12:23 PM

How does instantaneous MPG work?

 

The readings my Jag puts out reek of bullshit, 199 Liters per 100 is its favorite reading


Daily Driver - 1985 Jaguar XJ6 Sovereign, woft-a-matic

Former Daily - 1999 Hyundai Sonata bASe, RIP. 1999-2016

Wishlist - 1980 Mini 1000 & Morris Ital, If only they were in Australia!


#152 ONLINE   reb

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Posted 14 August 2017 - 01:23 PM

How does instantaneous MPG work?

The readings my Jag puts out reek of bullshit, 199 Liters per 100 is its favorite reading

From what I know, they variously use a lookup based on the airflow sensor, or based on the amount of fuel that should be going through the injectors. There's probably other more black magic ways of doing it too.

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#153 OFFLINE   Rod/b

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Posted 14 August 2017 - 05:47 PM

My Espace returned 26mpg on its first tank, which was one drive back from Leeds to Bristol and then pootling here and there.

On the current tank it says it's averaging 18.4mpg. FML.

It is fun though.


Is it broken? My car has a 5.7 V8 and gets about 21mpg
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