If all else seems fine, could be restricted converter which will get bad enough to where it won't start at all.
2005 was the last model year for the Ford Excursion
A 2005 Ford Excursion has a 44 U.S. gallon tank ( 166.4 liters )
A ( 2005 ) Ford Excursion holds ( 44.0 U.S. gallons / 166.6 liters )
2005
Prime a Diesel
used 2005 $19,250
It was last built in 2005.
fuse # 12 - 20 amp mini fuse - cigar lighter / OBD II according to the 2005 Ford Excursion owners manual
According to the 2002 Ford Excursion owners manual : Motorcraft MERCON automatic transmission fluid is used as the power steering fluid
According to the 2004 Ford Excursion Owner Guide : ( Motorcraft MERCON automatic transmission fluid is used as the power steering fluid )
6x8 or 5x7 they are both the same
The 2005 Ford Excursion Owner Guide shows ( 6 quarts with engine oil filter change ) for the 6.8 liter - V10 engine