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Today I was recing my buddys 07 Corolla and when we stoped we were talkin and he said that I was blowing black smoke. I hope it isnt the damn rings again[:@]But I was told when your rings are goin out you will blow white smoke.
your car can be running rich, meaning its dumping to much fuel,its like a torch when theres no oxygen theres black smoke or soot, so u might need a new o2 sensor or something.
Black Smoke: Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely.
have u ever change your o2 sensor? ill give that a try, cause the o2 sensors tell the ECU how much air and gass is coming out so if u think about it, if its not reading right the ecu will not know how its doing, try doing both of them so u can get the best out of it, but if any one else has any idea throw them out.
take your car to autozone. if its a 95 Neon tell them its a 96 or or 97 lol. but they can tell u if its the upsteam/bank 1 (the first o2 sensor) or the downstream/bank 2 (after the Cat.)