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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / March 2006o no, black smoke?
I have a 94 shevy cav z24 with 136000 miles. their is black smoke spitting out of the tail pipe and leaving black specks on the back bumper could this be some sort of exuast issue, like a resinator or cat converter issue or is it what i think rings? > I have a 94 shevy cav z24 with 136000 miles. their is black smoke spitting > out of the tail pipe and leaving black specks on the back bumper could this > be some sort of exuast issue, like a resinator or cat converter issue or is > it what i think rings? Probably all of the above. In article <d2d073870e03e685f61b9be2863249b3@localhost.talkaboutautos.com>, > I have a 94 shevy cav z24 with 136000 miles. their is black smoke spitting > out of the tail pipe and leaving black specks on the back bumper could this > be some sort of exuast issue, like a resinator or cat converter issue or is > it what i think rings? Black smoke usually gets read as "godawful rich". Look to your injectors first, I would think. Oil burning (like you'd get with rings) is usually blue. I can't think of anything in the exhaust system that could cause black smoke.  SignatureDon Bruder - dakidd@sonic.net - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... <http://www.sonic.net/~dakidd> for more info would a diagnostic test know what is wrong if there is no service light on saying that something is wrong? I am trying to figure out if this car is going to be going to heaven or not! > 94 shevy cav z24 with 136000 miles. > would a diagnostic test know what is wrong if there is no service light on > saying that something is wrong? I am trying to figure out if this car is > going to be going to heaven or not! Maybe. Maybe not. You could have a real time scan done with enging running. That is assuming you do not have obd 1 1/2. Pull the vac hose off of the pressure regulator and see if there is gas. More than likely the cat has already melted down. I don't think your car is going to heaven - probably the other place instead. > I have a 94 shevy cav z24 with 136000 miles. their is black smoke spitting > out of the tail pipe and leaving black specks on the back bumper could this > be some sort of exuast issue, like a resinator or cat converter issue or is > it what i think rings? If it is truly BLACK smoke, not blue, this is a very rich mixture. Indicative of stuck choke on carbureted cars, leaky injector or other injector problems on FI car. |
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