Most manufacturers tune for optimum emissions (running rich to protect the catalytic converter) and fuel economy purposes which can limit performance.Ĭars with a turbo fitted can have the requested and allowable boost levels raised, these applications usually have the most effect if the turbo fitted is a low pressure turbo which leaves the most room for improvement. In addition, changing fuel maps to coincide with the stoichiometric ratio for gasoline combustion may also realize performance increase. Manufacturers design for a specific timing and this may limit performance accordingly. However, to cope with advanced timing, one must run high-octane gasoline to avoid pre-ignition detonation or pinging. Different timing may result in better performance. Performance gains are realized by adjusting the ignition timing advance. There are also a few paragraphs about how performance is obtained: Vehicles with a remapped electronic control unit may be more sensitive to fuel quality and service schedules. Engine manufacturers generally use a conservative electronic control unit map to allow for individual engine variations as well as infrequent servicing and poor-quality fuel.
#Ford ecu tuning software software
Note that Wikipedia article refers to software tuning as “Chip Tuning” and for the purposes of this particular article we will treat the term as interchangeable with “Software Tuning”:Ĭhip tuning refers to changing or modifying an erasable programmable read only memory chip in an automobile’s or other vehicle’s electronic control unit (ECU) to achieve superior performance, whether it be more power, cleaner emissions, or better Fuel efficiency. There are some quotes from Wikipedia which may help you further understand. Our focus in this article is on the software aspects of tuning not the hardware.
It is adjusted to yield optimal performance, to increase an engine’s power output, economy, or durability. You can only feel the changes in performance caused by a software tune.Įngine tuning is an adjustment, modification of the internal combustion engine, or modification to its control unit, otherwise known as its ECU (Engine Control Unit). Unlike hardware, you cannot touch, see or hear a tune modification.
Software tuning is one of the more abstract concepts in the automotive world.
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