The trip computer on my 2001 carisma constantly tells me that i have 100 miles more on my tank range than i actually do,regardless of whether i fill it up or not.
The manual gives simple instructions for resetting the mpg and the avg speed but none for recalibrating the tank range (If it can actually be done). Also the battery has already been disconnected for another problem and that didnt help either.
Any ideas.
thanks!
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