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Re: Black-smoke out the tailpipe
If it were oil the smoke would be blue. It sounds like you have an extremely rich condition, this can be caused by a bad O2 sensor although you should be getting a SES light but not necessarily. The other thing is that the cold start circuit that automatically enriches the mixture could be putting too much fuel into the engine. One thing you can do is remove the throttle body and clean the carbon from the IAC and the back of the throttle body. This will clear the passages and should make it better. Just a couple ideas!
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