fordparts.com shows ( .054 inch )
A Ford Taurus and Contour are a couple. (1997 Taurus with the 3.0 liter engine & 2000 Contour with the 2.8 liter engine)
The 3.0 liter " Vulcan " V6 engine and the 3.0 liter " Duratec " V6 engine each have ( 6 spark plugs )
The spark plug gap, for your 2004 Ford Taurus 3.0 liter engine, is .009. Most spark plugs will come pre-gapped.
According to one of Fords websites : For a 1986 Ford Taurus : ( both the 2.5 liter four cylinder engine and the 3.0 liter six cylinder engine have the spark plugs gapped at .044 inch )
The spark plug gap for a 1990 Ford Taurus 3.0L engine should be set at .044 inches. A 4.2 liter engine would have a gap between .052 and .056 inches.
0.044 Autolite-Platinum / Spark PlugFor your 2001 Ford Taurus 3.0L EFI 6cyl Part Number: AP764
The spark plug gap is .042" to .046".
one at a time
According to the 2001 Ford Taurus Owner Guide : For the 3.0 liter , Duratec , Dual Over Head Cam , V6 engine : ( the spark plugs are gapped at .052 to .056 inch ) * confirm with the Vehicle Emissions Control Information ( VECI ) decal in the front of your engine compartment
The specs for BOTH the 2.0 liter engine and 2.3 liter engine are the same: .051 inch or 0021. mm
The proper gap is .035
.040 inch