On a 1999 Mercury Villager , 3.3 litre V6 engine :
firewall
1-----3-----5
2-----4-----6
front of vehicle > driver
The distributor in a Mercury Villager is the round thing at the front of the engine with the six spark plug wires attached to it.
It is the round black think with the six spark plug wires attached at the front (passenger side) of the engine.
Six inches.
There are six fuel injectors that mount into the lower intake manifold. Only three can really be seen normally.
Six, since it's a six cylinder.
No. The knock sensor alerts you to the fact that there is an engine vibration that needs attention. Mine has been awaiting replacement for six months.
According to the 1999 Mercury Cougar Owner Guide the six disc CD changer ( if equipped ) is located in the luggage compartment
For a 1999 Mercury Sable wagon : I believe you will find the six disc CD changer ( if equipped ) in the cargo area behind the panel for the storage compartment / service compartment on the right side
I'm not sure what you mean by a "fuel injection valve". There are six fuel injectors, mounted into the lower intake manifold, attached to fuel rails. Only the front 3 are really visible.
Driver side head front to rear is cylinder / plug numbers-- 1-3-5-7 the other head front to rear is 2-4-6-8
There are 80 electrons shells for mercury.
It is a six pin square plug under the dash on the driver side.It is a six pin square plug under the dash on the driver side.