if the battery isn't dead, or the terminals loose or dirty, number one cause - ignition problem (spark plugs not getting electricity)
Yes, one bad cell in a car battery will cause the car not to start.
Certainly, a loose wire on the car battery can cause the car not to start.
yes it will because that controls the fireing off the car and if the bad they will not fire and it will not start
No
Yes, if the cables are damaged, excessively corroded, or not fastened correctly that can cause your car to not start.
Probably not, although it could lead to other problems which would cause your car not to start.
engine
No. A bad starter would cause the car not to start.
No, a bad crankshaft sensor would cause the car not to start and run.
no, the thermostat would have nothing to do with the car not starting.
Possible, but not likely.
Out of time.
Yes
No spark?
Yes, one bad cell in a car battery will cause the car not to start.
Certainly, a loose wire on the car battery can cause the car not to start.
yes and ignition relay would..