Re: Diesel Chevette smokes and hesitates
Again, black smoke means too much fuel or too little air. Where is it leaking? I'm assuming it's still a stock NA engine and stock pump? It takes massive overfueling to cause a lack of power, the kind of CC's that a stock pump won't deliver. If you're sure that your air intake supply is good, then I hate to suggest a valve/valvetrain issue. I'm also assuming that the exhaust system is not plugged. NA engines are way more finicky here.
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