if it keeps happening over and over, make sure the spark plug is screwed into the cylinder head completely; and make sure the electrode on the end of the wire is not open too far, just use a pair of needle nose pliers and clamp it just a little
No, not unless your connect the plug wires wrong or one of the new spark plugs was bad.
Yes it would.
Yes, check the connection to the starter and the spark plug wires first and replace if needed.
cheap wires
Bad spark plugs, spark plug wires or distributor cap and rotor.
you probobly just need to change your spark plugs and wires.
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.
Most likely bad plugs or firing order isn't right, i would start by checking the order you got the plugs and if that's not it check the plug wires.
Yes, and so would bad plug wires.
wrong plug gap, wires on wrong, cap is cracked, timing moved when you put cap on
Wet/damp/faulty ignition wires, contaminated fuel (water), worn out spark plugs.
If you've already replaced the spark plug wires, try removing the spark plug boot heat shield.