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Rich problem 700 1991

posted by Will740turbo on Thu Oct 8 20:20 CST 2009
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last visit: Wed Oct 22 16:09 CST 2014

[RELATED]

I know others have mentioned it, but have you pulled the vacuum tube off the fuel pressure regulator? Check it for leaking gasoline.
I believe you can have a bad regulator and still hold full pressure. Instead of dumping the excess pressure to the fuel tank, it dumps it to the injectors.

Also, thanks to the poster with the info about creating false lean/rich conditions via the O2 sensor. Seems like some useful info.

Good Luck,
Will
--
1990 740 Turbo, on its way to stock specs, maybe beyond

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Rich problem [700][1991]
posted by ibs740 on Tue Oct 6 08:25 CST 2009 >

Rich problem [700][1991]
posted by Chris Mullet subscriber on Tue Oct 6 10:26 CST 2009 > V
- Rich problem [700][1991]
  posted by someone claiming to be ibs740 on Tue Oct 6 13:00 CST 2009 > V
  - Rich problem [700][1991]
    posted by Kentucky subscriber on Wed Oct 7 02:46 CST 2009 > V
    - Rich problem [700][1991]
      posted by david hunter on Thu Oct 8 16:59 CST 2009 > V
      - Rich problem [700][1991]
        posted by Kentucky subscriber on Thu Oct 8 17:28 CST 2009 > V
      - Rich problem [700][1991]
        posted by ibs740 on Fri Oct 9 00:31 CST 2009 > V

Rich problem [700][1991]
posted by someone claiming to be fixit2002 on Tue Oct 6 13:05 CST 2009 > V
- Rich problem [700][1991]
  posted by ibs740 on Tue Oct 6 15:42 CST 2009 > V
  - O2 Sensor sees a lean mixture [700][1991]
    posted by lucid subscriber on Wed Oct 7 02:19 CST 2009 > V
    - O2 Sensor sees a lean mixture [700][1991]
      posted by ibs740 on Thu Oct 8 13:27 CST 2009 > V
    - O2 Sensor sees a lean mixture [700][1991]
      posted by ibs740 on Fri Oct 9 00:45 CST 2009 > V
      - O2 Sensor - ECU Test [700][1991]
        posted by lucid subscriber on Fri Oct 9 01:44 CST 2009 > V

Rich problem [700][1991]
posted by aleekat on Thu Oct 8 18:20 CST 2009 > V
- Rich problem [700][1991]
  posted by ibs740 on Fri Oct 9 00:27 CST 2009 > V

Rich problem [700][1991]
posted by Will740turbo subscriber on Thu Oct 8 20:20 CST 2009 > V
- Rich problem [700][1991]
  posted by ibs740 on Fri Oct 9 00:23 CST 2009 > V

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Rich problem 700 1991