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poor running with AMM, better without 200 1991

posted by MrNabisco on Thu Sep 29 21:46 CST 2016
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last visit: Wed Oct 22 12:36 CST 2014

[RELATED]

One connection to check is the big white wire plug on the passenger side of the console. Up near the firewall. I believe it is the connection to the ECU. I've had that plug be slightly loose and had intermittant issues.

And maybe double check the O2 sensor.

EBD codes?

Maybe you've got two bad AMM? Try the third one.

I'm assuming your 91 is LH2 since it will run with the AMM disconnected. LH3.1 will not.

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poor running with AMM, better without [200][1991]
posted by runwld2 subscriber on Thu Sep 29 19:16 CST 2016 >

poor running with AMM, better without [200][1991]
posted by MrNabisco on Thu Sep 29 21:46 CST 2016 > V

poor running with AMM, better without [200][1991]
posted by Bruce S. subscriber on Fri Sep 30 00:13 CST 2016 > V

poor running with AMM, better without [200][1991]
posted by kittysgreyvolvo subscriber on Fri Sep 30 07:48 CST 2016 > V
- poor running with AMM, better without [200][1991]
  posted by MrNabisco on Fri Sep 30 08:38 CST 2016 > V
- poor running, ideas appreciated, recap [200][1991]
  posted by runwld2 subscriber on Sat Oct 1 12:39 CST 2016 > V
  - poor running, ideas appreciated, recap [200][1991]
    posted by Art Benstein subscriber on Sun Oct 2 04:31 CST 2016 > V

poor running with AMM, better without [200][1991]
posted by pageda on Fri Sep 30 08:49 CST 2016 > V

poor running with AMM, better without [200][1991]
posted by machine man subscriber on Fri Sep 30 20:16 CST 2016 > V

poor running, new data [200][1991]
posted by runwld2 subscriber on Mon Oct 3 19:03 CST 2016 > V
- poor running, new data [200][1991]
  posted by kittysgreyvolvo subscriber on Tue Oct 4 09:25 CST 2016 > V
  - poor running, new data [200][1991]
    posted by runwld2 subscriber on Tue Oct 4 18:35 CST 2016 > V
    - poor running, new data [200][1991]
      posted by kittysgreyvolvo subscriber on Fri Oct 7 19:53 CST 2016 > V
- poor running, new data [200][1991]
  posted by Art Benstein subscriber on Tue Oct 4 09:36 CST 2016 > V
  - poor running, new data [200][1991]
    posted by runwld2 subscriber on Tue Oct 4 18:23 CST 2016 > V
    - poor running, new data [200][1991]
      posted by Art Benstein subscriber on Thu Oct 6 18:01 CST 2016 > V
      - poor running, new data [200][1991]
        posted by runwld2 subscriber on Sat Oct 8 20:14 CST 2016 > V
      - , new data, update [200][1991]
        posted by runwld2 subscriber on Thu Oct 13 19:39 CST 2016 > V
        
        ... giving a run around ... [200][1991]
        posted by kittysgreyvolvo subscriber on Sat Oct 15 10:11 CST 2016 > V
- poor running, More new data [200][1991]
  posted by runwld2 subscriber on Tue Oct 4 19:10 CST 2016 > V
  - poor running, More new data [200][1991]
    posted by Art Benstein subscriber on Thu Oct 6 18:15 CST 2016 > V

Replace 02 sensor on your 1991 240 yet, runwld2? (YMI) [200][1991]
posted by kittysgreyvolvo subscriber on Sat Oct 29 08:42 CST 2016 > V

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poor running with AMM, better without 200 1991