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Old 05-15-2001, 09:16 AM
Posts: n/a
Is it safe to assume that by the appearance of black smoke at start, an occasional misfire, slight roughness at idle, and by light carbon coat on spark plugs I may have an idle mixture control anomaly? I need to get the car past the smog check.

There are no engine servicing & repair instructions provided on my 107 CD ROM.

Which components make up the idle mixture control circuit and what is the troubleshooting approach?
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