Hello everyone I'm new to this community and the XJ world in general, I recently bought my first Xj just recently i ran into a bit of a problem it's now giving me two codes p0320 and p0622, it runs rough, don't really know what to do or look into. this is what I have done to it so far, I would love some help please and thank you!
Fuel pump Leaf springs Front and rear shocks Starter Radiator Thermostat O2 sensors PCM(reprogrammed for vin) Crankshaft position sensor Camshaft position sensor Ignition coil Throttle body position sensor Insulation installed along fuel rail Headlights Tail lights