rpm

So, guys, I hate my first post to be crying for help, but after a month or two of searching and replacing things I can't figure out the issue. When I bought my Supra in Feb. of 2012 it had a BHG and rod knock. No problem, I bought a JDM engine and had (supposedly) a reputable shop swap 'em out...

Hi guys ive had my check engine light on for awhile now it goes on and off, finally decided to find out what the codes were and 12 i believe is RPM Signal/Distributer or Circuit, ECM. and Code 71 EGR System Malfunctioning/EGR Temp. Sensor or Circuit, EGR-VSV, ECM?? HELP PLZZ! Can me...