I have a 2002 Alero with the V6 Engine. The Engine has 79,000 Miles on it.&nbsp\\; I tried putting in some Sea Foam Cleaner and it ran good the day i put it in. now im back to it running rough again when it has set for a while.


Anyone have any suggestions. I am thinking of replacing the spark plugs and wires but not sure if i should. They look like the original plugs and wires on the vehicle.


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Thanks&nbsp\\;&nbsp\\; JOhn V

If they are original, I would change them. The front three are easy, the back three take twice as long as the front three did.


I would also change the fuel filter if it has never been changed, and the air filter. They may not help the rough running, but it''s time to do them if they haven''t been changed.