Hello everyone, how are you? I hope you don't mind if I'm asking question in english
recently, I've been converted the stock 220kmh speedometer to the JDM Mazda Demio 180kmh. Basically why I'm doing this because the JDM speedometer looks much better rather than the Southeast Asian version.
to install this, I've been hacking my immobilizer in order to get my car on. But there's another problem occur, that the speedometer didn't read what its supposed to read like when the actual speed was 100kmh the speedometer is only read 80kmh.
so, umm is there any way to calibrate and fixed the problem? thank you