8 spark plugs
platinum plugs were standard from the factory
plug replacement requires a bit of work. coil-over plugs sit under the fuel rail so removal of the fuel rail may be necessary. take care when performing this task at home. each coil over is about 38$ (2011 price)
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.
Under the coil on each cyl.
Each spark plug has a coil on the top. Just remove the coil.
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 )
.054 is the gap for the Mercury Grand Marquis.
there is a coil on each one. remove the coil and there is the plug.
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
remove engine cover
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.
Intake manifold gaskets are leaking, intake manifold is warped.