The engine cylinder locations are numbered :
firewall
3 - 6
2 - 5
1 - 4
front of Mercury Mountaineer ( with the 4.0 liter SOHC - V6 engine )
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The coil pack towers are numbered :
coil-----3---4
pack----2---6
plug-----1---5
how to change spark plugs on a 97 mercury mountaineer
firing order for 2000 mercury mountaineer with a 4.0, v-6 engine
jack up car and change plugs from behind each front tire.
The manual will state when to perform tuneup.
Check the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment . It will show what type of spark plug to use and the spark plug gap
the library should have a shop manual for this vehicle, you can make copies of the right sections :)
( 6 ) if you have the 4.0 liter SOHC , V6 engine and ( 8 ) if you have the 5.0 liter , V8 engine
Check the Vehicle Emission Control Information ( VECI ) decal located in the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
Not to be course, but if you cannot find the spark plugs, then you have no business trying to replace them. You do not have the knowledge or skill to perform this repair.
K in the fender wells if it is a 5.o l they are left and right of cyl head under exhaust headers
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
is 54 gap for a spark plug mercury mountanier 2002 4.6