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B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. 700

posted by Dave Stevens on Thu May 26 14:05 CST 2011
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The ECU may also be part of that. It may get a bit upset when fuel trim is out of whack trying to avoid the hesitation (and possibly knocking) during acceleration and suddenly decide to back off to Plan B. If it gets severely out of trim there would be a DTC set. As I recall, not all trim codes result in the Check Engine indicator being lit. In any case, he admitted to doing an OBD reset without checking for codes plus a max of three codes can be stored.
--
Dave -940's, prev 740/240/140/120 How time flies when you're having fun

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B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by FitzFitzgerald on Wed May 25 21:25 CST 2011 >

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, (Decelerating fuel cut out program in ECU) [700]
posted by FitzFitzgerald on Wed May 25 22:06 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, (Decelerating fuel cut out program in ECU) [700]
  posted by Art Benstein subscriber on Wed May 25 23:04 CST 2011 > V
  - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, (Decelerating fuel cut out program in ECU) [700]
    posted by planetman on Thu May 26 15:00 CST 2011 > V
    - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, (Decelerating fuel cut out program in ECU) [700]
      posted by Art Benstein subscriber on Thu May 26 15:12 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, (Decelerating fuel cut out program in ECU) [700]
  posted by Art Benstein subscriber on Thu May 26 05:01 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by Ryan_R subscriber on Thu May 26 07:40 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by Dave Stevens on Thu May 26 13:17 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
  posted by Art Benstein subscriber on Thu May 26 13:25 CST 2011 > V
  - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
    posted by Dave Stevens on Thu May 26 13:35 CST 2011 > V
    - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
      posted by Art Benstein subscriber on Thu May 26 13:45 CST 2011 > V
      - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
        posted by Dave Stevens on Thu May 26 14:05 CST 2011 > V
        
        B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
        posted by Art Benstein subscriber on Thu May 26 14:57 CST 2011 > V
        
        B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
        posted by Dave Stevens on Thu May 26 21:17 CST 2011 > V
        
        B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
        posted by Art Benstein subscriber on Fri May 27 05:38 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by Rhys on Thu May 26 15:34 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
  posted by Art Benstein subscriber on Thu May 26 15:51 CST 2011 > V
  - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
    posted by Rhys on Thu May 26 19:03 CST 2011 > V
    - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
      posted by Ryan_R subscriber on Thu May 26 19:50 CST 2011 > V
    - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
      posted by Art Benstein subscriber on Thu May 26 20:03 CST 2011 > V
      - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
        posted by Will740turbo subscriber on Fri Jun 10 01:49 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
  posted by FitzFitzgerald on Thu May 26 21:30 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by FitzFitzgerald on Thu May 26 21:55 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by porkface on Fri May 27 05:25 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, update #2. [700][1990]
posted by FitzFitzgerald on Sat May 28 23:33 CST 2011 > V

B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
posted by Goatman on Sat May 28 23:58 CST 2011 > V
- B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
  posted by FitzFitzgerald on Sun May 29 07:10 CST 2011 > V
  - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700]
    posted by Goatman on Sun May 29 07:27 CST 2011 > V
    - B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. [700][1990]
      posted by FitzFitzgerald on Sun May 29 11:44 CST 2011 > V

Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
posted by FitzFitzgerald on Wed Jun 1 22:55 CST 2011 > V
- Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
  posted by Goatman on Wed Jun 1 23:23 CST 2011 > V
- Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
  posted by lucid subscriber on Thu Jun 2 06:23 CST 2011 > V
- Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
  posted by Art Benstein subscriber on Thu Jun 2 10:15 CST 2011 > V
  - Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
    posted by FitzFitzgerald on Thu Jun 2 20:34 CST 2011 > V
    - Problem Solved! [700][1990]
      posted by Art Benstein subscriber on Fri Jun 3 06:06 CST 2011 > V
- Problem Solved! B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM. (damaged tone ring) [700][1990]
  posted by Will740turbo subscriber on Fri Jun 10 01:51 CST 2011 > V

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B234F 16-valve 740 hesistates at 1,900 - 2,100 RPM, most parts swapped so far. 700