On-board computer showing increased fuel consumption

[Kneale Brownson]

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The instantaneous mileage feature jumps around crazily depending upon
whether you're going up a slight grade or down one, whether there's a
headwind, whether you're "drafting" behind another vehicle, etc.


At 03:18 PM 02/21/2002 +0000, radek at pop.istar.ca wrote:

>Hello listers:
>
>The on-board computer in my car is acting up.  It shows current fuel
>consumption, usually
>not exceeding 20  liters/100 km.  Lately, it started occasionally showing
>consumption in
>the range of 50
>liters/100 km when driving in 5th gear which is absolutely outrageous.  I
>wonder if it's
>the computer that's
>gone wild or is my car actually burning all this gasoline.  The problem
>comes and goes,
>I'd be driving on the
>highway showing 10 l/100, next time I look it's showing 55 l/100, a few
>minutes later it's
>back to 10l/100.  All
>this with no noticeable difference in the way the car behaves
>(acceleration, noise etc.).
>  Where is the computer
>getting its data from?  Should I simply disregard the computer or is it a
>hint to start
>digging into the fuel
>system?  TIA for any suggestions.
>
>Radek
>88 90'Q
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