Hello, I would like to help me with my Ford Ranger 3.0 has a Po 303 code says bad combustion detected general in multiple cylinders./ The engine trembles a lot. Please help.
When the trucks tremble, these problems in spark plugs or ignition cables check first if you do not have any empty hose disconnected are those of the multiple of admission. Then it continues to take out the spark plugs, it takes a verify that it is well then the next and so. Upon reaching one in poor condition. I went off