It uses four spark plugs. It has one per cylinder.
Use the same Champion plugs the factory installed.
Champion Double Platnum
Champion
Champion
Nissan Sentra's have factory-installs 'ND', or Nippondenso spark plugs. You can use Autolite, Bosch, Champion, or NGK spark plugs for Sentras.
The best spark plugs are the original equipment plugs that were installed by the manufacturer at the factory. Sometimes you may need to go to a dealer to get the exact plugs.
Use what ever Jeep built it with.
It depends on the brand of plugs. If you use Champion plugs the gap is .035. You can check gap at Champion plugs or search another brand. Hope this helps. the gap is .035 on any plug you use.
Petrol/gasoline cars do use spark plugs.Petrol/gasoline cars do use spark plugs.
Champion
Today's diesel engines do not use spark plugs.Today's diesel engines do not use spark plugs.