Saab 9-3 Sedan/Combi/TurboX/AWD(2003+)/Conv(2004+)
Hi guys,prob an old question ,took map sensor off today and cleaned up ,full of muck,egr valve seemed free ,sprayed with some wd40,noticed inlet manifold sooted up but looked like a pig to get off as its under fuel pipes,do these need to be cleaned regular or if car is running ok best left alone...