bmwtom Posted December 20, 2015 Report Share Posted December 20, 2015 I've just pluged my 320 in to inpa and its thrown up 4 errors not sure what these ones are any help given would be grateful 1/ cooler outlet also says (ubatt or open circuit) current temp on this is 120-140 when it should be under 90. 2/ lambda probe heating downstream sensor 1 it says on this one that( cat-senor heater defective) 3/lambda probe voltage downstream sensor 1 also says (open circuit) 4/ nw-e-error also says (engine state - over run shut off) Would lambda sensor need replacing not sure what is coursing cooler outlet to be this hi and error number 4 as engine keeps cutting out when slowing down and where would number 1lambda sensor be my engine is a m54 2.2 Link to comment Share on other sites More sharing options...
