first you must be mechanical incline. are you ready? first remove top manifold. if you look closely the cables have to beremoved from manifold. and all hoses set aside. now look Ford the manifold bolt's on top..also there are two by the exhaust manifold.and one up front by egr valve.egr valve have to be removed from manifold, also.once you had removed manifold you will see the coil pack three of them. remove coil packs. and there they are,three spark plug's other three are on the other side.also remove coil packs to see sparkplugs.replace spark plugs and reverse procedure's. good luck...tip/ if those coil plugs are original-replace them' OK.because you don't want to do this again for a good long time.
it took me about 2 hours the back one on the drivers sisde is hard to get too
I would replace the spark plugs after 50K, the wires and plugs again at 100K.
on the 3.5 v6 take off the engine cover, unscrew the coilpacks and take out the spark plugs.
Changing spark plugs is relatively easy. Disconnect the batter and spark plug cables, and remove the old spark plugs. Next replace the spark plugs with new ones, reconnect the spark plug cables and battery.
After 105,000 miles. Nissan Maxima spark plugs are platinum-tipped and lasts for many years.
Take it to a Toyota dealership
How to change the spark plugs
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
get a 3/8 in.drive Rachet,w/a 10in.3/8 extension,plus your spark plug Socket.that will do it!
Good possibility one of your spark plugs or coils are bad.
u take the old ones out and replace them by color
According to the 2005 Lincoln LS Owner Guide : The spark plugs for the 3.0 litre V6 engine are gapped at : ( .051 to .057 inch ) * confirm with the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment