quattroworld.com Forums: if you have swapped out all of your ignition system, time for leakdown/compression...

if you have swapped out all of your ignition system, time for leakdown/compression...
Posted by: nyet (2) on 2014-07-21 00:37:22 \| Moderator In Reply to: stg 3 cutting out at WOT w/ logs posted by j_fitz7 on 2014-07-20 21:46:22	Share \| Report

Thread:

stg 3 cutting out at WOT w/ logs - j_fitz7 2014-07-20 21:46:22 (451 views)
- if you have swapped out all of your ignition system, time for leakdown/compression... - nyet 2014-07-21 00:37:22 (183 views)
  - i think the problem is still simple there - lemieux@curbside 2014-07-21 09:36:10 (248 views)
    - you were right. - j_fitz7 2014-07-25 22:46:23 (188 views)
      - if you have a spare coil and power amp , replace each and see if it's still there - lemieux@curbside 2014-07-29 06:45:46 (139 views)
        
        think I nailed it to a single coil. - j_fitz7 2014-07-29 09:10:53 (119 views)
      - :P - nyet 2014-07-25 23:17:26 (144 views)
        
        U2 - j_fitz7 2014-07-26 00:37:02 (141 views)
    - I'll do this again. since the last coil/plug/icm swaps had some significant intake leaks still - j_fitz7 2014-07-21 11:35:08 (175 views)
      - can't get the cyl 6 misfire at idle to move with coils/icms/plugs  -  j_fitz7  2014-07-21 21:25:21 (184 views)
        
        you still left the injector there.. swap that too .. 6 with 4  -  lemieux@curbside  2014-07-22 04:55:42 (173 views)
        
        I did that next.  -  j_fitz7  2014-07-22 09:14:42 (164 views)
        
        i hope it's not a wiring/connector issue   -  lemieux@curbside  2014-07-22 09:34:23 (152 views)
- cyl3 misfires? - nyet 2014-07-20 22:10:13 (206 views)
  - zero misfires in this log, but the stutter was there - j_fitz7 2014-07-20 22:50:58 (212 views)
    - Misfires are there, you can see it on the bank 2 O2 readings.. Check/replace your ignition system - NOTORIOUS VR 2014-07-21 10:23:17 (182 views)
    - oh was looking at throttle plate angle - nyet 2014-07-20 23:33:57 (230 views)
      - second that, misfires on bank2 big time.  -  julex  2014-07-21 09:27:48 (211 views)
        
        91 octane.   -  nyet  2014-07-21 12:10:48 (150 views)
        
        If it was logged with ME7L, then the o2v are probably wrong.  -  jprice  2014-07-21 12:04:58 (181 views)
        
        kinda irrelevant, considering the dropouts.   -  nyet  2014-07-21 12:09:58 (211 views)
        
        Right, just saying though, can't tell if rich if ME7L.   -  jprice  2014-07-21 12:16:30 (171 views)
        
        Can't tell anything for real w/o widebands  -  nyet  2014-07-21 13:10:40 (180 views)
        
        Yep, I always use wideband.  -  jprice  2014-07-21 15:26:09 (192 views)
        
        no. it needs to go back on the dyno tune as there were issues last time it was tuned  -  j_fitz7  2014-07-21 11:37:17 (179 views)

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