Quote:
Originally Posted by cstavaru
Piggybacks are just fundamentally flawed. They mimic, guess and trick the ECU. They did not develop naturally, but to overcome the fact that the ECU software is inaccessible for most. Doesn't matter what features a tune has if you build it on a fundamentally flawed concept.
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Quite possibly true.
The dealer recently did some warranty work to replace a pump in my motor and had to reflash the ECU.