blown head or cracked block
how to change spark plugs on a 97 mercury mountaineer
is 54 gap for a spark plug mercury mountanier 2002 4.6
firing order for 2000 mercury mountaineer with a 4.0, v-6 engine
On a 1997 to 2001 Mercury Mountaineer : Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment . It shows what type of spark plug to use and the spark plug gap
spark plug gap for 5.0 liter engine is 0.054 inches
1.3 to 1.4 mm ( .052 to .056 inch )
The manual will state when to perform tuneup.
Battery discharged or lowAir filter dirtyBad engine ground connectionFuel not reaching injectors check fuel filter,lines and pumpDefective spark plugsDefective engine coolant temperature sensor
.052 to .056 inch ( 1.3 to 1.4 mm )
According to the 1997 Mercury Mountaineer Owner Guide : For the 5.0 liter / 302 cubic inch V8 engine : ( the spark plug gap is .052 to .056 inch ) * confirm with the Vehicle Emissions Control Information ( VECI ) decal in the front of your engine compartment
The number 1 spark plug is left side.If you were looking at the engine from the front to the back and is the first one on the left.
For a 2004 Mercury Mountaineer , 4.0 litre V6 engine : ( .052 to .056 inch ) * confirm with the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment