Where are the spark plugs located on a 1994 infiniti j30?

On a 1994 Infiniti J30, the spark plugs are located beneath the ignition coils, which are situated on top of the engine's cylinder heads. To access them, you'll need to remove the engine cover and the ignition coils. The spark plugs are threaded into the cylinder heads and can be removed with a spark plug socket. Make sure to follow proper procedures for replacement and maintenance.