Lincoln Aviator: Engine / Engine Ignition - 3.0L EcoBoost
Removal
WARNING:
Always disconnect the battery ground cable at the battery
before disconnecting the starter motor battery terminal lead. If a tool
is shorted at the starter motor battery terminal, the tool can quickly
heat enough to cause a skin burn...
General Specifications
Item
Specification
Spark plug
12405
Spark plug gap
0...
Other information:
T..
Removal
Remove the ignition coil-on-plugs.
Refer to: Ignition Coil-On-Plug (303-07A Engine Ignition - 3.0L EcoBoost, Removal and Installation).
Use compressed air to remove any foreign material in the spark plug well before removing the spark plugs...