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Help with weird codes 700 1990

posted by  LeChuck on  Sun Mar 18 06:33 CST 2007
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last visit: Wed Nov 27 10:21 CST 2013
[RELATED]

Hello,

A few days ago, the check engine light came on in our 1990 760T. I pulled the codes and got 2-3-1 and 1-1-3. Seemingly related to emissions/injection. Everything looks clean in that engine. Don't know if the O2 sensor is going bad but it all looks pretty recent. Couldn't see a leak around the fuel injectors.

When that light came on, no driving problems were detected. I then cleared the codes and nothing reappeared for a couple days. Friday my wife took the kids to Grandma's and did a 60 mile highway round trip. Nothing came up either, but as we were driving down a couple blocks later that night, check engine light came back on. Checked the codes today and they are the same.

Any idea what this could mean more precisely, given the fact that this seems to happen intermittently?

Thanks!





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