No.
No spark from coil, bad plug wires, or bad plugs.
No, but burning oil will give you bad spark plugs.
having bad spark plugs could effect how the spark sparks and when it sparks. new plugs is never a bad idea
Uneven running, bad fuel consumption
Bad piston rings or valves not seating properly.
because your valve cover seals are bad... fix it before you will get issues with coil packs... and change the spark plugs while at it...
you are not getting spark. this could be from a bad alternator, bad spark plugs, bad spark plug wires, or bad engine coils. The spark plugs and wires are the cheapest so try putting in new ones of those first.
Bad spark plugs, spark plugs wires, etc.
The most common reason for a vehicle to run rough when it is cold is bad spark plugs or bad spark plug wires. Change the spark plugs and spark plug wires.
Spark plugs don't smoke. A bad alternator would cause a dead battery.
Spark Plugs do not affect your alternator. As long as your engine is running then it should be charging unless your alternator is bad
Yes. Bad spark plugs, bad spark plug wires and a bad distributor cap are the common causes of rough idling. If it has been a while since you changed these components, do so.