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White smoke after fixing TCU

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    #1

    White smoke after fixing TCU

    I have a situation, I had the green "S" light on my cluster and my tranny wouldn't shiftj just stayed in 3rd gear, after i did some browsing I found that the problem was my TCU, so I pulled it opened it an notice it had some diodes and so burnt so I replaced them cleaned it up and reinstalled it. Great the green "S" was gone nd the tranny was working like if it never had any problems, GREAT...but after that I noticed that my idle was bouncing and there was a lot of white smoke and very bad smell coming from the exaust...What could have happed? Should I still replace the TCU, or is it something else? Please advice...Thanks in advance.
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    .................................................. .................................................. ...
    God First, Family Second, and CB's for fun Third...
    Tags: None
    #2
    i would check oil,coolant . white is water ...might be a head gasket ...
    if you get a ecu make sure the cb has sport shift ,if you have that
    Last edited by Teddy; 06-19-2010, 01:01 AM.

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      #3
      Originally posted by Teddy View Post
      i would check oil,coolant . white is water ...might be a head gasket ...
      if you get a ecu make sure the cb has sport shift ,if you have that
      Actually I just did a complete head job on it, and everything was great til after I started messing with the TCU...lol...I made sure all the fluids were to their correct level, and the car was running great, I even pulled the plugs to the TCU and everything went back to normal, no white smoke, no bouncing idle, but unfortunately also no shifts with the tranny...lol...any other ideas?
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      .................................................. .................................................. ...
      God First, Family Second, and CB's for fun Third...

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        #4
        got me ..watch the oil for any water in it

        check tork on head bolts hope this helps ,,and compression
        Last edited by Teddy; 06-19-2010, 02:02 AM.

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          #5
          Originally posted by DRAGON JOEY View Post
          Actually I just did a complete head job on it, and everything was great til after I started messing with the TCU...lol...I made sure all the fluids were to their correct level, and the car was running great, I even pulled the plugs to the TCU and everything went back to normal, no white smoke, no bouncing idle, but unfortunately also no shifts with the tranny...lol...any other ideas?

          where is this white smoke coming from?

          naturally we all assume the exhaust exit... but are we right?

          Bought from: Bisimoto, FuncOvrForm, HondaGuy1212, wed3k, Konigstiger, 1st2run, BillKisme, k-mart, benjerman112

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            #6
            Keep in mind that the TCU has nothing to do with the engine itself... so these things are unrelated.






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              #7
              Originally posted by deevergote View Post
              Keep in mind that the TCU has nothing to do with the engine itself... so these things are unrelated.
              thats pretty much what i was getting at.
              there's no way that anything tranny related would be able to expel smoke from the tailpipe.

              Bought from: Bisimoto, FuncOvrForm, HondaGuy1212, wed3k, Konigstiger, 1st2run, BillKisme, k-mart, benjerman112

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                #8
                Originally posted by deevergote View Post
                Keep in mind that the TCU has nothing to do with the engine itself... so these things are unrelated.
                Yeah man I understand that, that's my main concern cause it only smokes if i have it in neutral once it's in drive or reverse it stops...any ideas...
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                .................................................. .................................................. ...
                God First, Family Second, and CB's for fun Third...

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                  #9
                  When you say your idle was bouncing, are you referring to the tach, or was the engine actually idling up and down? If it was just your tach that was bouncing, then I would replace your igniter (ICM or Ignition Control Module).
                  PT3/6 Development Thread | My 1991 LX Coupe | DIY: 90-93 Tcu Fix

                  Comment

                    #10
                    Originally posted by cloudasc View Post
                    When you say your idle was bouncing, are you referring to the tach, or was the engine actually idling up and down? If it was just your tach that was bouncing, then I would replace your igniter (ICM or Ignition Control Module).
                    The engine itself is idling up and down...just to add, unfortunately I am having to get my crankshaft machined due to the fact that the rod bearing on piston 1 died on me, could that have been the problem? I will get the crank back next week and install everything back to test...will let u guys know if anything changed after that...thanks for all ur help.
                    ..........

                    .................................................. .................................................. ...
                    God First, Family Second, and CB's for fun Third...

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