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
location for fuse, and relay switch on a Mercury Sable
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 : 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
If you have a 4 cylinder engine, you will have two. On a 6 cylinder, you will have four.
( 6 ) one per engine cylinder
Click the link for a diagram.
the computer for a 1993 ls mercury sable is by the top of the engine on the pasinger side a black box is on it you only have to unplug it