A method for informing a dealer service center and a customer of a vehicle malfunction fueling in vehicles without flex-fuel property

摘要

An engine control system comprising: a fuel composition module (202) that determines a fuel composition and an amount of undesired fuel in the fuel composition; a comparison module (206) that compares the amount of unwanted fuel to a misfueling threshold; and a storage module (208) that records a misfuel event based on the comparison, wherein the misfuel event occurs when the amount of unwanted fuel is greater than or equal to the misfuel threshold.