If you want the best plug that will last around 150,000 kms , or 100,000 miles, cost is around 15.00$ each.
8 spark plugs
8 spark 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.
look on the very top of the motor and you will see a long rail them are the spark injectors for your spark plugs. pull them injectors out and you will see your spark plugs.
Remove the coil on top of the plug, they are there.
they are located under the coil pack
You do not need to remove the fuel rail to remove the spark plugs.
Each spark plug has a coil on the top. Just remove the coil.
Under the coil on each cyl.
Bad Rings. Get your Rings replaced asap.
no they are not in the way at all but the air box intake needs to be removed to get to the left side spark plugs
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 )