In recent times we have seen cars equipped with on board diagnostic ports that allow a fresh map to be uploaded. Often these would need to be soldered and could be quite fiddly and, due to the delicate nature of chips, prone to failure.ĮPROMS which were erasable and programmable chips could be removed reflashed and reinserted into the car.Ĭhip replacements were the only way to change a cars mapping but now with standardised diagnostic ports it is much easier. The only option in these cases was to literally replace the chip. Now with some locked ECU's chip removal and replacement is once again becoming an option. The term probably stems from the early days were chips could not easily be reflashed and updated. In this article we shall focus on the specific act of "Chip tuning" and not dwell too much on remaps although both are very similar in nature. To choose between a remap, replacement chip, new ECU or piggy back join our forum and discuss your options with our friendly members. Chip tuning is a term used very loosely to describe any process of remapping the cars engine. See our article on remapping the ecu for more information about how the engine management maps work. This actually means you get better power, a cleaner burn and more reliable engine but it does not mean the end of tuning as this program or map can be easily upgraded in most cars. Modern engine computers (ECU's) have taken over many of the controls of all aspects of engine management from timing to fuelling and more.
The days of fiddling around in the engine bay with a spanner to make the car go faster are numbered.
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