Under the coil on each cyl.
8 spark plugs
8 spark plugs
there is a coil on each one. remove the coil and there is the plug.
it's located under the steerinf wheel its a lil silver box with 2 wire plugs
Remove the spark plug wires from your 2002 Mercury Grand Marquis spark plugs. Remove the spark plugs by turning them to the left with a deep well 5/8 socket. Reverse the process to install the new spark plugs.
they are located under the coil pack
Beneath the coils. There are 8 coils. 4 on each side. Remove the coils (gently), then remove the plus.
In a 2010 Mercury Grand Marquis, the spark plugs are located on the engine's cylinder heads. The vehicle features a V8 engine, so you'll find the spark plugs positioned along both sides of the engine, beneath the ignition coil packs. To access them, you typically need to remove the ignition coils and any necessary engine covers. Always consult the vehicle's service manual for specific instructions and safety precautions.
According to one of Fords websites : For a 1993 Mercury Grand Marquis , 4.6 liter V8 engine : ( the spark plugs are gapped at .054 inch )
The relay is located in the engine compartment to the right of the heater hoses if you are looking at them. It dose not look like a regular rely. It has a connector that plugs into it.
Each spark plug has a coil on the top. Just remove the coil.
The original plugs should be good for around 100,000 miles ( 160,000 ) kms. Take it from there.