86subaru Posted October 12, 2006 Share Posted October 12, 2006 wife came home and said that BLACK smoke came out the tail pipe, and ran fine after that, right before that the car got real dogish, no cat , everything looks good, no major oil leaks, that might cause burning, Link to comment Share on other sites More sharing options...
edrach Posted October 13, 2006 Share Posted October 13, 2006 Black smoke....means running rich. Don't know why it stopped. Is your air cleaner clogged by chance? Link to comment Share on other sites More sharing options...
NorthWet Posted October 13, 2006 Share Posted October 13, 2006 Could this be related to your previous thread about her car not idling right? Could be a sensor issue, like the CTS. Did she notice if the CEL came on? Link to comment Share on other sites More sharing options...
86subaru Posted October 13, 2006 Author Share Posted October 13, 2006 we did get gas from a different station , 87 octine, , i think the idle problem is that i am running 87 octine instead of 90 or higher, on my 88 turbo , the station she always gets it from has 10% ethanol in it , mpg is 23-24 city.the air cleaner is a k-n ,cleaned out 5,000mi ago Link to comment Share on other sites More sharing options...
beataru Posted October 13, 2006 Share Posted October 13, 2006 Yeah sounds like its running reall really rich if you can notice the smoke... not just on the pipe but in the air behind you... HOLY CRAP MAN! if it dogged down before it that would be a tell-tale sign that it dumped too much fuel in right before! Link to comment Share on other sites More sharing options...
NorthWet Posted October 13, 2006 Share Posted October 13, 2006 we did get gas from a different station , 87 octine, , i think the idle problem is that i am running 87 octine instead of 90 or higher, on my 88 turbo , the station she always gets it from has 10% ethanol in it , mpg is 23-24 city.the air cleaner is a k-n ,cleaned out 5,000mi ago FWIIW, I run all of my turbos on 87 Octane, including using some of our 10% ethanol blend (I try to avoid that as it is not economical in our market). I have had no running isues that were fuel-related, but the CTS corrosion has been issues on at least 2 of the cars, and I have had spark plug and wires fail when I stressed them with injector cleaner. Oh, another possibility might be a stuck injector that freed up. Might be a bit of a longshot, but there aren't too many things on the EA82Ts that should make the car belch black smoke. MAF, CTS, ignition system, injectors are the short list. Link to comment Share on other sites More sharing options...
86subaru Posted October 13, 2006 Author Share Posted October 13, 2006 ok,it only did it 1 time,and only a small cloud , the plugs are new ngk + good new wires, will see if it does it again , thanks Link to comment Share on other sites More sharing options...
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