They are located under beauty panel on the engine. they each have ther own coil. U will see a coil and a little screw that holds them on .
Yes
( 6 ) spark plugs
No, different electronics/sensors.
yes.
250hp
From the outside.
According to the 2005 Ford Crown Victoria Owner Guide ( 5W-20 ) * with engine oil filter change , 6.0 U.S. quarts of 5W-20 engine oil
The 4.6 litre V8 engine in a 2005 Ford Crown Victoria has ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )
On a 2005 Ford Crown Victoria , the Mass Air Flow Sensor is in the top of the engine air filter housing just before it connects to the big engine air intake tube
burnt bulbs, switch or fuse.
According to the 2005 Ford Crown Victoria Owner Guide : In the fuse panel below the dash , on the drivers side : ( # 27 is a 20 amp fuse for the cigarette lighter , OBD II , and power point )
It is important to replace old transmission fluid with the right amount of new transmission fluid. The 2005 Ford Crown Victoria has a transmission fluid capacity of 5 quarts.