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Lawrence Coppari Lawrence Coppari is offline
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Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,925
Check the couplings from the probes at the top of the clutch housing. Mine require cleaning every so often. There are two of them. One is rpm and the other is crank position.

There could be other reasons for your problem. But my occasional belching of black smoke after a cold start is caused by one of these couplings on my car at least. Don't know why. But when I clean them, it's happy for another couple of months. It is worse in the summer when the moisture level is higher.

Check and/or clean all your grounds. There are a bunch of them.

Also, has your battery box ever leaked water into the glovebox area below? The DME is down there. It has plug in connectors. It is under carpet on sloped part. You might take a look at them.

Then there is all the relays in the relay/fuze box. They can get crudded up too.

Just some things to look at....
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Lawrence
1986 951
2002 SLK32 AMG
1987 328GTS
2011 528i

Last edited by Lawrence Coppari; 06-23-2004 at 10:48 AM..
Old 06-23-2004, 10:45 AM
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