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code 131 and 231 200 1990

posted by  chris herbst on  Wed May 7 16:13 CST 2003
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last visit: Mon Oct 20 20:32 CST 2014
[RELATED]

I would definitely pursue the airflow meter connections before purchasing anything. The later AF meters don't really go bad that often (but they still go bad).

Problems often show up in humid weather like we've been having here lately. This could be a number of reasons, and occasionally codes are set because several things go beyond their normal (acceptable) parameters, and cause other codes to be set. I would look into all of the engine and ignition electrical briefly, and then clean the air flow meter connections. Then clear the codes and see if it comes back. Then decide what to do based on what you found. This is assuming that the car still runs well in the meantime.
--
Chris Herbst, near Chicago.






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