any platinum plugs will fine. they come stock platinum so best to put back in. brand preference will be up to u i have Bosch in mine
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
Four
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.
where would the spark plugs at on a Oldsmobile 1989 engine
how do change the spark plugs and the coil pack on a 2000 Oldsmobile intrigue
6 spark plugs
on my 2002 alero I havw the 2.2 4cylinder ecotec engine, on the intake there is a cover that says 2.2, remove the four bolts and the plugs are down in the little cylinder holes mine require a 5/8 spark plug socket and you will also need an extension.
If the car has high miles, try checking the catalytic converter. If it is clogged it will cause the vehicle to lose power.