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321 code may be false... 700 1990

posted by slyfox4 on Sat Apr 30 04:27 CST 2005
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I had a similar problem. Check the ground under the intake manifold. It "plugs" into a connection on the block. Corrosion is a big factor at this connection!
--
1965 Mustang A block 4 speed, 1969 Cougar Eliminator, 1990 Super-Charged Thunderbird and a car (740) that my wife can drive!!!

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4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
posted by invar on Fri Apr 29 01:35 CST 2005 >

4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
posted by Chris Mullet subscriber on Fri Apr 29 04:57 CST 2005 > V
- 4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
  posted by invar on Fri Apr 29 05:32 CST 2005 > V
  - 321 code may be false... [700][1990]
    posted by lucid subscriber on Fri Apr 29 10:42 CST 2005 > V
    - 321 code may be false... [700][1990]
      posted by invar on Fri Apr 29 10:55 CST 2005 > V
      - 321 code may be false... [700][1990]
        posted by slyfox4 on Sat Apr 30 04:27 CST 2005 > V
        
        Intake ground wires, 1-2-1, 1-2-3, 2-2-3 codes [700][1990]
        posted by lucid subscriber on Sat Apr 30 04:53 CST 2005 > V
        
        some progress made, perhaps!! [700][1990]
        posted by invar on Sat Apr 30 05:22 CST 2005 > V
        
        another update!! [700][1990]
        posted by invar on Sat Apr 30 06:17 CST 2005 > V
        
        Intake ground wires, 1-2-1, 1-2-3, 2-2-3 codes [700][1990]
        posted by slyfox4 on Sat Apr 30 06:42 CST 2005 > V

4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
posted by KlausC subscriber on Fri Apr 29 07:18 CST 2005 > V
- 4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
  posted by invar on Fri Apr 29 08:12 CST 2005 > V

4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
posted by KlausC subscriber on Fri Apr 29 09:04 CST 2005 > V
- 4 OBD codes, idles crappy, what the heck? 3-2-1, 2-2-3, 1-2-2, 1-2-1 [700][1990]
  posted by invar on Fri Apr 29 09:08 CST 2005 > V

Bosch IAC in Regina?? + an update w/good news! [700][1990]
posted by invar on Sat Apr 30 06:46 CST 2005 > V
- Doh, don't think Regina and Bosch are interchangeable [700][1990]
  posted by invar on Sun May 1 13:34 CST 2005 > V

1-2-1 code came back, hmm [700][1990]
posted by invar on Mon May 2 01:46 CST 2005 > V

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321 code may be false... 700 1990