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Fuel Range

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by Kris34, Jan 19, 2014.

  1. Kris34

    Kris34 New Member

    Hello all first time on here. Filled up my truck the other day and checked my fuel range. Normally it would be around 700 km when the tank is full. For some reason it is only showing 350 km and the tank is full. Has anyone seen this?
  2. Pikey

    Pikey Moderator Staff Member 3 Years ROTM Winner 1000 Posts

    range is calculated by the computer by multiplying the number of gallons or liters in the tank by your current average mpg or kmpg. If you have had a lot of idle time lately (causing your average mpg to drop) that would cause the range to drop.

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