Remove the spark plug wire from your 2001 Mercury Grand Marquis. Remove the spark plug with a 5/8 deep well socket, white turning it to the left. Reverse the process to put in the new spark plug.
.054 is the gap for the Mercury Grand Marquis.
there is a coil on each one. remove the coil and there is the plug.
On a 1997 Mercury Grand Marquis : Check the Vehicle Emission Control Information ( VECI ) decal in the front of the engine compartment , for the type of spark plug used and the spark plug gap
On the 2001 Mercury Grand Marquis , it has the Coil On Plug ( C.O.P. ) ignition system with ( 8 ) individual coils on the 4.6 liter SOHC , V8 engine ( it's not the same , as say , a 1997 Mercury Grand Marquis that had ( 2 ) coil packs with four towers on each coil pack and spark plug wires with the Electronic Distributorless Ignition System ( EDIS )
.054
You should have C.O.P. ( coil on plug) there are no wires.
Remove the coil on top of the plug, they are there.
54 thousands of an inch i think
Each spark plug has a coil on the top. Just remove the coil.
plug gap is 0.050 for a 2001 3.4 v6 grand am
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Grand Marquis