Where are the spark plugs located on the infiniti I30 1999?

On the 1999 Infiniti I30, the spark plugs are located on the top of the engine, beneath the ignition coils. To access them, you'll need to remove the engine cover and the ignition coil packs, which sit directly above each spark plug. The spark plugs themselves are situated in the cylinder head, with three on each side of the V6 engine.