just tried swapping the ECU from my 92 400 w/ 89661-24240. Series matches car, however I realize now it was probably made for Cali car since I purchased it from SoCal, but I live in Illinois. Car runs fine, everything works but cannot clear check engine/trac lights.Throws an EGR code 71 Tried resetting, with no success. Does anyone no how to bypass or what pins are affected? I've searched but can't find the answer any help would be greatly appreciated.


Thanks