.054 inch ( for L and Z engine code - 8 th " character " of VIN ) .044 inch ( M engine code - runs on natural gas )
how to change spark plugs on a 2001 expedition
Where and how do you find the spark plugs for a 1997 ford expedition?
In a 2002 Ford Expedition : For the 4.6 or 5.4 liter V8 engines : (there are 8 spark plugs )
.054 inch for the 4.6 liter and 5.4 liter engines according to the 1997 Ford Expedition Owner Guide
On a 1998 Ford Expedition : There are ( 8 spark plugs ) for the 4.6 and 5.4 liter V8 engines
( 8 ) in the 4.6 liter and 5.4 liter V8 engines
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
The are no distributor cap on the 1997 Ford Expedition. You have eight coil packs one on each spark plug.
at each spark plug
They are under the coils in the valve covers.
How to Change Spark Plugs on 4.6 & 5.4 Liter Check related link below
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition