How many spark pugs does a ford 2003 econoline 350?
A 2003 Ford Econoline 350 could have either 4 or 8 spark plugs, depending on the engine. The 4.6L V8 engine has 8 spark plugs, while the 5.4L V8 engine also has 8 spark plugs. There was no 4-cylinder option in that year for the 350.