Obviously- the spark plugs were not the issue :)
spark plugs are either not put in right or gaps not right.Also check your spark plug wires.
one of your wires is most likely loose so check that and if that isn't it make sure your spark plugs are tight
NGK platinum plugs
=why do my plugs keep cracking in a 2000 for explorer....changed four already
Screwed into the heads.
Bad engine cushions can make the engine shake. bad spark plugs cause malfunction as the car starts running.
( 8 spark plugs ) for your 4.6 liter V8 engine in a 2002 Ford Explorer
Only if there's something wrong with your old spark plugs.
Changing your spark plugs could theoretically make your car faster but not enough to make a noticeable difference. Changing your spark plugs when they are worn will increase your fuel mileage slightly.
Yes, when idling and driving.
yes definitely.