Morning Got a 93 golf vr6 and my idle is very arratic its up and down from 200-800 fuel consumption is heavy, I have cleaned out the idle stabilastion valve, and had it on vag com and getting 2 faults One is idle stabilation fault code which says could include MAF, or fuel regulator, or throttle body and the other is Lambda Fault which also sayts could include Lambda , Maf , Fuel pump , regulator or injectors Has anybody had this problem? would a good place to start by cleaning MAF and throttle body