On a Mercury Sable : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a 2000 Mercury Sable the engine cylinder locations are numbered : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a 2000 Mercury sable : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable , V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable , V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
For a Mercury Sable V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable V6 : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
P0303 means that an engine cylinder misfire has been detected in the ( number three engine cylinder ) The engine cylinder locations on a 1996 Mercury Sable are numbered : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a Mercury Sable , V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
On a 1995 Mercury Sable : The ENGINE cylinder locations are numbered : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver ( If that is what you mean )
For a 1995 Mercury Sable : There were two ( six cylinder ) engines offered from the factory A 3.0 litre V6 and the 3.8 litre V6 firewall 1-----2-----3 4-----5-----6 front of vehicle > driver