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Old 10-29-2000, 08:14 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,114
The M103 in my 91 300SE has developed an intemittent miss at idle/low rpm. Here are the symptoms:

-- takes a couple of seconds to stabilize on start-up. If cold, slowly rises to fast idle.

-- the miss feels like a cylinder or two skipping a cycle.

-- hasn't happened above 1500rpm.

-- has happened when cold, warm or hot. Basically anytime.

-- smooth as silk above 1500rpm. Will run with the best on the freeway.

I have the CD manual set but I haven't found a troubleshooting guide.

Any ideas will be appreciated.

Sixto Orosa
Santa Clara, CA
78 450SEL
91 300SE
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