The 2003 Ford Taurus has overhead valves (OHV).
The 2010 Ford Taurus has double overhead cam (DOHC).
The 2013 Ford Taurus has double overhead cam (DOHC).
The 2014 Ford Taurus has double overhead cam (DOHC).
The 2008 Ford Taurus has double overhead cam (DOHC).
The 2011 Ford Taurus has double overhead cam (DOHC).
The 2012 Ford Taurus has double overhead cam (DOHC).
The 2009 Ford Taurus has double overhead cam (DOHC).
The 2002 Ford Taurus has overhead valves (OHV).
The 2006 Ford Taurus has overhead valves (OHV).
The 2005 Ford Taurus has overhead valves (OHV).
The 2004 Ford Taurus has overhead valves (OHV).
The 2007 Ford Taurus has overhead valves (OHV).
The 2001 Ford Taurus has overhead valves (OHV).
The 2003 Ford Explorer has single overhead cam (SOHC).
The 2003 Ford Expedition has single overhead cam (SOHC).
The 2003 Ford Focus has double overhead cam (DOHC).
The 2003 Ford Escape has double overhead cam (DOHC).
The 2003 Ford Mustang has overhead valves (OHV).
You can look in a manual for this car, or Google it.
you need to replace the cam shaft positioning sensor
The 2003 Ford F-150 has overhead valves (OHV).
On a 2003 Ford Taurus : The 3.0L " Vulcan " V6 engine ( and the flex fuel version ) have ( 1 ) timing chain The 3.0L " Duratec " which is a Dual Over Head Cam design has ( 2 ) timing chains
A 2003 Ford Taurus was offered from the factory with either the 3.0L " VULCAN " V6 engine ( and the flex fuel version ) which are OHV ( Over Head Valve / pushrod design engines ) or The 3.0L " Duratec " V6 engine which is a DOHC ( Dual Over Head Cam ) design
On a 1997 Ford Taurus : The 3.0 " Vulcan " V6 engine is an Over Head Valve / pushrod design engine The 3.0 " Duratec " V6 engine is a Dual Over Head Cam design engine
The 2003 Ford F-350-Super-DUTY has single overhead cam (SOHC).