3 to 5,000 miles depending on how hard you worked it.
3000 to 5000 miles
Every 4000 miles. Change it when oil is changed, along with oil filters
2002 Ford Econoline 7.3 diesel oil capacity ========================================================= For a 2002 Ford E-350 , 7.3L DIESEL : With engine oil filter change : ( 14.2 litres / 15.0 U.S. quarts ) * according to the 7.3L DIESEL supplement
a ford 7.3 powerstroke diesel uses 15 quarts of oil with a filter change.
I usually do mine every oil change or 8 -10 Thousand miles.
I was looking at the 1999 Ford F-250 , 7.3L DIESEL supplement and it shows : With engine oil filter change : ( 15.0 U.S. quarts )
15 quart
According to the 2011 Ford F-250 diesel supplement : With engine oil filter change : ( 13.0 U.S. quarts )
I was looking at the 2010 Ford F-250 diesel supplement and it shows : With engine oil filter change ( 15.0 quarts )
You take it to a Ford service department.
20 quarts with filter change
how often you change oil to a E350 2012..