I have a mk6 rs2000 4x4 escort miss firing and running rough under load seems to be over fueling help.

I have a mk6 escort rs2000 4x4 I had it code read at fords no codes found. Car miss fires and runs rough underload and seems to be over fueling . Parts that have been changed are plugs leads coil packs lambda censors, engine management coolant temp censor throttle position censor help.

I have a mk6 rs2000 4x4 escort miss firing and running rough under load seems to be over fueling help.