on a 2002 olds alero 2.2 4 cylinder ecotec the spark plugs are located on top of the intake, under the cover that gives the engine size,it is possible that yours may also be located under this cover. All you have to do is remove the four bolts on top of the cover and your plugs will be under there.
6 spark plugs 1 spark plug to every cylinder.
Their is no 1993 olds alero the first year is the 1999 sorry.
It is located over the cylinder head.
how to locate and chage plugs
The spark plugs are on the front and back of a V6 (back ones are tough to get to) L4 right in front. Turn the engine off and take off the spark wires unscrew the plugs
Check your spark plug connections and spark plugs. If necessary, replace them.
Four
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