XJ40 ( XJ81 ) 1986 - 1994

What's your fuel consumption?

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Old 07-28-2017, 08:32 PM
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Default What's your fuel consumption?

So I have been rather surprised to see my MPG reading about 26.4 after all the intensive cleaning (MAF sensor, throttle body, ICV, new plugs etc. I have also run two tanks of fuel system cleaner through- Now tell me, is this completely ludicrous or is my gentle grandma driving paying off after cleaning it all out?
hit it to km p/100L and it says 9 something so they both read the same dealio, just wondering What everyone else's reads! I've seen mostly 16, though I live out in the suburbs and take a lot of long roads wherever I go. Drive to work is about 30-40 mins on long country roads.
 
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Old 07-29-2017, 12:29 AM
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Default Fuel consumption

Originally Posted by BeckBeck
So I have been rather surprised to see my MPG reading about 26.4 after all the intensive cleaning (MAF sensor, throttle body, ICV, new plugs etc. I have also run two tanks of fuel system cleaner through- Now tell me, is this completely ludicrous or is my gentle grandma driving paying off after cleaning it all out?
hit it to km p/100L and it says 9 something so they both read the same dealio, just wondering What everyone else's reads! I've seen mostly 16, though I live out in the suburbs and take a lot of long roads wherever I go. Drive to work is about 30-40 mins on long country roads.

Hello, for my part, consumption of my jaguar 3.6 of 1989, is about 10 liters on road and highway and 13 liters in town with a flexible driving

The reading on the on-board computer is strange, in stabilized speed or acceleration, consumption is consistent. On the other hand in deceleration the consumption is incoherent because it increases ??? These are my observations.
 

Last edited by frenchfairplaydriver; 07-29-2017 at 12:34 AM.
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Old 07-29-2017, 03:21 AM
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I am getting a consistent 19.9 mpg in the got summer with the air conditioning on.
 
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Old 07-31-2017, 05:22 PM
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Honestly, I don't keep track. On a drive across country from Boise Idaho to Michigan City- a trip of About 1742 miles- we averaged 25 mpg. Work and back, around town I'd guess about 16-18. Its a toy. If I cared I would know.
 

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