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Q: What part(s) would i need to replace if my cadillac throws white smoke? on 1994 Cadillac DeVille

I have a `94 caddy deville concourse (32v northstar engine). She turns on but throws alot of white smoke from the mufflers. The spark plugs have a little bit of oil around `em. I think she might need new valve cover gaskets. Also, the pigtail wire from the gas pedal to the throttle body is kind of blocked and clicks everytime i turn the car on and off. I think it she might be accelerated. Could that have something to do with the smoke?
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