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2-3-1 and 2-3-2 Engine Codes/ Check Engine Light 200

posted by  Dan Marino on  Fri Dec 5 07:40 CST 2014
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last visit: Fri Oct 24 10:46 CST 2014
[RELATED]

My son just installed a replacement automatic transmission in our 1992 245.
The car is back home now and it decided to throw a check engine light. Together we read the codes last night and got the 2-3-1 and 2-3-2 codes for being too rich/too lean at idle and at speed.

There is a hole in the exhaust manifold down pipe. Could this have anything to do with the codes? I'll have to see if I can pull one from the junk yard.

The car idles rough at first, but that pretty much has been the case since we swapped in a B cam.

Tomorrow we will check the flexible intake hose and tighten down the intake manifold nuts in case there is unmeasured air getting in.

Any other tips?

Thank you,

Tom






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