smoke on a cold start

I have a 98 Grand Am with 3100 v6, everytime I start it after sitting overnight, black smoke comes out for a couple seconds when it starts, this car has had the engine replaced.

Reply to
Adam
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Reply to
Shep

would this also cause it to have poor pick up from a dead start? I mean it wont spin tires but once it gets going (like 5 or 10) it kicks in and goes like hell

Reply to
Adam

Reply to
Shep

Yeah, but wouldnt the check engine light come on?

Reply to
Adam

Reply to
Shep

So how could I tell if the unit was bad by taking it ofF?

Reply to
Adam

Reply to
Shep

Ok, will do first thing tomorrow, kinda too cold now to do anything..

Reply to
Adam

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