Saab 9-3 Sedan/Combi/TurboX/AWD(2003+)/Conv(2004+)
Hi All, i have check engine light on (2011 saab 9-3x 2.0 turbo),car choking/jerking when apply gas ,pocket scaner reveals code P1312 ,i have replaced spark plugs,reset check engine light, code come back, swap ignition coil for cylinder 1 and 2 - to cylinder 3+4 , reset check engine light, same...