e70 diesel CEL current fault p0670 , pending p21a8
 

So replaced all 6 glow plugs and beru controller from fcp euro.... but still have CEL p0670? clear and it comes back.... also have a pending p21a8 for reductant level sensor b circuit high,,, i already added a 10 ohm resistor to the top sensor is b the bottom, or did sensor trick not fix my issue? need to go to emissions but not till i can fix the glow plug issue.