Getting 8.5 mpg need help

[sonic_the_hedgeh]

I have done more testing. Seems my claim at 30 mpg was off. So after checking things my computer system ground wasn't as good.

Then after more trips, I found my fuel economy was around 25 to 27mpg.

Average is closer to 23 mpg.

Did a check of the intake system and it is still clean.

This is of course 2 liters per tank of fuel. An full tank for me is 110 liters. So with only 2 liters of motor oil it isn't a lot.

Next week testing with 30 grade oil as summer weather it can handle it.

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Tested with 30 weight motor oil works great but using 1.5 liters in a half tank at this time.

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[exp500]

Sonic- been reading your mileage posts and have to ask- Is this off the truck mpg display or calculated vs:fuel used at fill up? Seems like there is a problem in the math somewhere.

 

[Rayyy]

Wouldn’t burning all that oil compromise the cats, sooner or later?

 

[sonic_the_hedgeh]

Ok to get this straight mine goes by metric which is 17.5 liters per hundred kilometres.

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Yes I get about 17.5 liters per hundred kms

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[sonic_the_hedgeh]

Sonic- been reading your mileage posts and have to ask- Is this off the truck mpg display or calculated vs:fuel used at fill up? Seems like there is a problem in the math somewhere.

This is on the display. As well I notice I don't go to the gas station nearly as often

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[sonic_the_hedgeh]

Wouldn’t burning all that oil compromise the cats, sooner or later?

Not that I know of. It's burning cleanly.

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[sonic_the_hedgeh]

Not that I know of. It's burning cleanly.

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It is actually in metric. Friend of mine was saying that was 30mpg
Not sure. My computer on the display averages at 17.5 liters per hundred kms

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[Fless]

Converted from metric: 4.62 gallons used in 62.14 miles = 13.44 mpg

 

[sonic_the_hedgeh]

Converted from metric: 4.62 gallons used in 62.14 miles = 13.44 mpg

At times it is higher but depends on how you drive. Have to check a highway trip and see what I get. It is sure better on fuel than it was though.

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[sonic_the_hedgeh]

At times it is higher but depends on how you drive. Have to check a highway trip and see what I get. It is sure better on fuel than it was though.

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Tested with 30 weight motor oil works better with the warm weather. Starts just fine as well. Still clean exhaust

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