How to change spark plugs on a 99 crown vic police. detailed pictures please?

I bought the plugs and am debating whether i should change it myself or go to a cheap mechanic.



also will the check engine light flash if the spark plugs are bad?



please help me i am lostHow to change spark plugs on a 99 crown vic police. detailed pictures please?Replace the ignition coil of the affected cylinder which flashed the check engine light,spark plug replacement will not fix it,have it scanned to see which cylinder misfired first.How to change spark plugs on a 99 crown vic police. detailed pictures please?The spark plugs will not be effected by the spark plugs very often but under extreme cases it's possible. If you haven't put the plugs in a car before you might as well pay for it. You can cross thread the plug into the head (very expensive) of more likely brake the plugs ceramic insulator.How to change spark plugs on a 99 crown vic police. detailed pictures please?If you don't know how to do it correctly, i would do the right thing and have someone that kows what they are doing, it will save you money in the long run.