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Old 03-07-2003, 05:11 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
Since it only happens when it has sat overnight or has had a chance to cool, my money says something's not right in the fuel system. One of the pressure holding or controlling devices isn't working properly.

Do a search on accumulator and check valve for the 300E/M103.

Could also be an injector that doesn't close completely.

91 300SE
87 300SDL
83 300SD
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