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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  Chris Mullet on  Fri Apr 29 04:57 CST 2005
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last visit: Fri Oct 24 09:08 CST 2014
[RELATED]

Wow! When it rains it pours.

I believe there is a maximum number of faults that cam be stored at a time - like about 4. It might be that the OBD would have liked to display more, but couldn't.

The puzzle is to figure out what would be common to all. The ECU, however I don't know if I've ever heard of a Regina (Bendix?) ECU going bad. I'm wondering if the ECU may have all of a sudden developed a bad ground or something. You might want to open the kick panel and see if any moisture has gotten to it. I'm not sure if a bad engine-to-chassis ground would cause errors like you're experiencing, but that also might be a something to checkout.

Good luck.






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