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Could bad cats cause smoke? back pressure? help! (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by tom on August 25, 2001 at 21:57:50:

I can hear a small but consistent (ceramic?) rattle when I first startup and gun the engine. I then can observe moisture around each exhaust pipe outlet. What happened to you when you discovered your cats were bad?????

Engine light comes on intermittently @ low rpms, goes out above 2400rpm. Just sync'd the DK's. Runs better, but still get the Lambda (Emissions) fault when ck eng light illuminates. O2 sensors just replaced--better, but still no fix.

Thanks for your input, this msg board is a great resource!!
Tom '90 750iL 170,000


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