Crank Shaft Position Sensor

The crank sensor input is needed to provide spark, and yes if one coil fails the engine should still run but misfire. You would need test procedures and preferably look at live sensor data on a scan tool to see what the computer is seeing as inputs. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online