Question about 2008 Volkswagen Passat Sedan

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Computer fuel consumption indicator randomly displaying numbers

The computer fuel consumption indicator randomly displays numbers like 109 miles per 87 miles per

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This is a potential solution but if you are traveling down the highway and take your foot off the gas (or if you are on cruise no gas is required to maintain your speed) then the instant mpg calculation is similar to this 60 MPH / 0.0 GPH so effectively you end up with infinite gas mileage. But because the motor has to idle it's always using a little gas so it puts a very small number for the denominator which ends up giving you a high MPG. I've seen this happen in many makes of cars and I don't think it's anything to worry about.

Posted on Jan 24, 2009

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My ford icon 1.6i only accelerate at 2000 rpm and idel between. 0.900/1000rpm and use accessive fuel..pullaway is weak??


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How can i calculate rate of fuel consumption


set trip odometer to zero,fill fuel tank,drive car until 1/2 tank and fill up again record your miles from trip odometer, divide this number by the gallons of gas you just filled car with and this will give you miles per gallon (MPG)

Jul 04, 2014 | 1999 Honda Accord

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2005 Suzuki swift. The fuel economy display is fluctuating random numbers. May go from 10lt per 100 km to 36lt to 22lt to 45lt to 50lt.. Etc all random. I had a battery cell fail and lost stereo codes...


Has the display been changed from "average" to "current" reading ?

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Sep 02, 2013 | 2005 Suzuki Swift 1.5

1 Answer

Speedometer error?


Many cars have an error on the speed indicated. 10% sounds quite high, next time you buy tyres go for one size bigger or the next profile up, eg, if you are using 70 series go to 75 or 80. That will sort your problem out and you will get better fuel consumption. You can have the speedo calibrated but I would thing that the cost or effort wonuldn't justify the result.

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1 Answer

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Try checking your owners manual. or contacting a local dealership

Dec 09, 2009 | 2008 Audi Q7

2 Answers

High fuel consumption. only 200 miles per tank


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1 Answer

Center information display hard to read


HI,I SUGGEST YOU SEND THE CLUSTER IN TO HAVE THE DISPLAY CHANGED AS THE LCD IS FAULTY,OR GET ANOTHER CLUSTER AND CODE IT TO THE VEHICLE.

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1 Answer

The mpg display has a fault.


you have switched the trip computer to instantaneous fuel consumption rather than average.the switch on the end of the wiper stalk.press the switch until you get back to average consumption ,i think it shows a circle with a line through it from memory

Jan 21, 2009 | 1995 Volkswagen Passat

2 Answers

1999 Passat V6


The previous post is untrue! MFA means MultiFunktions Ansiege (pronounced AAN-zeeguh).
This is a German- Americanism for Multi-Function Indicator.

The MFA displays the time, time driven since the ignition was started, miles driven since the ignition was started (trip miles are displayed under the odometer), miles per gallon, average miles per gallon, and outside temperature. I think that's it. If you click the little button on the underside the wiper switch, you can toggle between 2 different trackings. If you HOLD that button, you can re-set the avg. mpg's (but not the current mpg's, they are calculated every 30 yards), time driven, miles driven. Contrary to the previous poster's solution, it does not actually indicate anything is wrong with your car! (but they were right about scrolling through the indications with the side rocker switch) the malfunction indicator is on the cluster, it is a little engine block with a lightning bolt through it. It usually means you need an oil change. If it blinks, you have a catalytic converter problem. Hope this helps.

Aug 22, 2008 | 1999 Volkswagen Passat

1 Answer

How many gallons per hour does this car lose?


hey
at the begging u should clarify how many gallon u used.
112 miles at 28 miles per gallon --> 4 gallons burned (112/28)
So that means we leaked 11 - 4 = 7 gallons

Now figure out how long the car was driving.
112 miles at 64 miles per hour --> 1.75 hours

So, leak was at a rate of 7 gallons in 1.75 hours
7/1.75 = 4 gallons per hour leaked.

Jul 10, 2008 | 2008 Chevrolet Corvette

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