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ECU is a suspect? 200 1989

posted by someone claiming to be macs70GLT on Sun Jun 3 00:38 CST 2018 [RELATED]

So today I received both the -951 ecu, and the new intake manifold gasket. Swapped in the -951 ecu for the pink label ecu and... the rough idle continues. However I now have a more reliable ecu, so I've got that going for me - which is nice.

Tonight I've been taking things apart to check on the manifold gasket. Well trichard was on to something. The gasket split between cyl 3 & 4, half sticking to the head. But at the forward edge of cylinder 1 about 120 degrees of circumference was broken off & missing completely!

I'll finish it up tomorrow - pretty confident this was the root cause.

Thank you all for your inputs. Guess I'll hang on to the pink label ecu as a spare but it won't go back in unless there is a serious problem.

Thanks

Mike

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MESSAGES IN THIS THREAD

Bad ECU? the infamous pink label 561 [200]
posted by someone claiming to be macs70GLT on Tue May 29 08:17 CST 2018 >

ECU is a suspect? [200][1989]
posted by Art Benstein subscriber on Tue May 29 08:59 CST 2018 > V
- ECU is a suspect? [200][1989]
  posted by someone claiming to be macs70GLT on Tue May 29 13:20 CST 2018 > V
  - ECU is a suspect? [200][1989]
    posted by pageda on Tue May 29 14:11 CST 2018 > V
    - ECU is a suspect? [200][1989]
      posted by someone claiming to be macs70GLT on Wed May 30 13:15 CST 2018 > V
  - ECU is a suspect? [200][1989]
    posted by Art Benstein subscriber on Tue May 29 14:22 CST 2018 > V
    - ECU is a suspect? [200][1989]
      posted by someone claiming to be macs70GLT on Tue May 29 23:23 CST 2018 > V
      - ECU is a suspect? [200][1989]
        posted by Art Benstein subscriber on Wed May 30 05:22 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Wed May 30 08:28 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Wed May 30 23:07 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by Art Benstein subscriber on Thu May 31 12:04 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Thu May 31 12:42 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by pageda on Thu May 31 13:48 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by Art Benstein subscriber on Thu May 31 14:14 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Thu May 31 22:14 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Tue Jun 5 09:01 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by pageda on Tue Jun 5 12:19 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by Art Benstein subscriber on Tue Jun 5 13:06 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Tue Jun 5 15:09 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by Art Benstein subscriber on Tue Jun 5 18:44 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Sat Jun 9 16:05 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by pageda on Sat Jun 9 17:14 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be CB on Sat Jun 9 17:38 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by machine man subscriber on Sat Jun 9 18:15 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by Art Benstein subscriber on Sun Jun 10 10:51 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be CB on Sun Jun 10 11:13 CST 2018 > V
        
        Zebra Hoof Beats [200][1989]
        posted by Art Benstein subscriber on Sun Jun 10 15:14 CST 2018 > V
        
        Zebra Hoof Beats [200][1989]
        posted by someone claiming to be CB on Sun Jun 10 20:39 CST 2018 > V
        
        Zebra Hoof Beats [200][1989]
        posted by Art Benstein subscriber on Mon Jun 11 04:55 CST 2018 > V
        
        Zebra Hoof Beats [200][1989]
        posted by Oleseahorse subscriber on Mon Jun 11 06:26 CST 2018 > V
        
        Zebra Hoof Beats [200][1989]
        posted by someone claiming to be CB on Tue Jun 12 22:15 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by machine man subscriber on Mon Jun 11 11:09 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Sun Jun 10 22:24 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by machine man subscriber on Mon Jun 11 10:49 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Mon Jun 11 13:47 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Thu Jun 14 08:16 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by machine man subscriber on Thu Jun 14 09:08 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Thu Jun 14 14:48 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by Art Benstein subscriber on Thu Jun 14 09:12 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Thu Jun 14 15:12 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by Art Benstein subscriber on Thu Jun 14 18:23 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Sat Jun 16 13:35 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by pageda on Sat Jun 16 13:39 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Sat Jun 16 14:32 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by machine man subscriber on Sat Jun 16 15:00 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by pageda on Sat Jun 16 15:32 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by jwalker on Sun Jun 17 08:07 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Fri Jun 22 13:09 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by pageda on Fri Jun 22 13:36 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by someone claiming to be macs70GLT on Fri Jun 22 13:29 CST 2018 > V
        
        ECU and Intake Manifold Gasket didn't quite fix it [200][1989]
        posted by pageda on Sat Jun 23 04:09 CST 2018 > V
        
        Any vacuum leak from brake booster? [200][1989]
        posted by Amarin on Sat Jun 23 04:51 CST 2018 > V
        
        ECU is a suspect? [200][1989]
        posted by someone claiming to be macs70GLT on Sun Jun 3 00:38 CST 2018 > V
  - ECU is a suspect? [200][1989]
    posted by someone claiming to be CB on Tue May 29 16:14 CST 2018 > V

Bad ECU? the infamous pink label 561 [200]
posted by 1pocket on Tue May 29 13:10 CST 2018 > V

Bad ECU? the infamous pink label 561 [200]
posted by someone claiming to be macs70GLT on Mon Jun 25 09:01 CST 2018 > V
- Bad ECU? the infamous pink label 561 [200]
  posted by pageda on Mon Jun 25 12:00 CST 2018 > V
  - Bad ECU? the infamous pink label 561 [200]
    posted by someone claiming to be macs70GLT on Mon Jun 25 22:28 CST 2018 > V
    - Education and Tools [200]
      posted by Art Benstein subscriber on Tue Jun 26 05:48 CST 2018 > V
      - Education and Tools [200]
        posted by someone claiming to be macs70GLT on Sat Jun 30 20:59 CST 2018 > V

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ECU is a suspect? 200 1989