i heard from somewhere that when u install fuel management/piggyback to a VVT-i/DVVT engine, we must first diable them... if not, it will be quite hard to tune the fuel....
is that true?? i highly doubt dat la...but...
Some of the forumer asked me about my diy led volt monitor for my vs. So here is the PCB layout and also the diagram for you to do the diy... ;) I believed sharing is good... Don't you think so??? :D