Quote:
Originally Posted by Spoolin Montego
All plugs and coils done within last 5k miles. Walnut blasting last done at 45k, I have 88k now. I know it needs a walnut blast but I don't think it could cause such a severe misfire/limp mode as it never did before around 40k miles before I had it done for the first time. Oil changed 1k miles ago.
My friend thinks my piston rings are fried somehow because of the black smoke..Which I don't know how though, I mean I drive the car hard but I don't beat on it, never track it and it's never been overheated.
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Black smoke means it's running rich (which means its getting too much fuel). I highly doubt your piston rings are fried. Maybe a bad o2 sensor?