2002 Chrysler sebring lxi with 2.7 engine crank but does not start.
I am GM Master tech I rebuilt my wife's vehicle 2002 Chrysler Sebring LXI with 2.7 engine I rebuilt this engine, I have very good compressions like 170 but vehicle only cylinder #2 #3 has constant spark others does not have spark maybe other cylinders has first try may be on time and gone. Vehicle does not start I am thinking could be the ECM but I am not sure .Now I need help please