my car won't rev more then 3.5RPM. no engine check lights car runs fine idle no problems. only thing is I cant rev more then 3.5. my car is a STD Civic with A OBD1 motor. I tried to reset the ECU by taking out the fuse and unplug the ecu that didn't work... what can be causing the problem the speedometer works fine. but I cant rev past 3.5 it bogs. Edit: car does not BOG its just cant rev more then 3.5 it does not want to go more!!! please let me know what I can try.. thanks link to pictures of my swap.