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Re: Cold Miss? (archive)
[ Follow Ups ] [ 8-series (E31) Message Board ] [ Msg. Board FAQ ]
Posted by Jim Surdick on May 15, 2000 at 13:12:51:

In Reply to: Cold Miss? posted by Mark Workman on May 12, 2000 at 19:02:08:

#1) Have you had your cylinder compression checked on all cylinders? A leak-down test might be in order. Warn head gasket might be leaky until heat expansion increases compression.

#2) I also suggest checking your ignition system. In order of cost: start with plugs, then distrib. cap/rotor, then plug wires (loom and wires fairly high $300-$400 range).

My .02 worth

Jim Surdick
'92 Laguna Green 850i 6spd
BMWCCA#148638

: My 91 850 has developed a miss when started cold. It stays
: until the temp gauge reaches normal operating temp, then
: runs fine. Previous owner had the intake gasket deal done
: about 6k miles ago(32k total), but who knows? How does the
: ECM handle the cold start enrichment? Longer pulse? Does it use coolant temp to kick out of the cold mode? This board
: has some ace troubleshooters, and I'd like them to lead me
: down the Path of Troubleshooting Righteousness to get this fixed.



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