1990 Mercedes 300SE Support Question
Find answers below for this question about 1990 Mercedes 300SE.Question posted by rarobbins on July 12th, 2013
Poor Running Engine After Warmup
My 1990 300se starts fine and runs good but when she warms up and the rpm falls to normal she begins to buck as if she is missing - have checked plugs and coil - good fire there - also replaced fuel injector temperature sensor - which by the way the replacement has no indicater that the plug goes in a specific way - I think it is fowling out because of to much fuel when it warms up but why?
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