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Old 03-19-2001, 04:48 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
I've been told by the dealer that there is evidence of rust in the fuel distributor of my 91 300SE. I don't have technical expertise in this area, but my gut feel is that this engine would not be turbine smooth accelerating through red line if rust was a real problem.

In that light, what are the symptoms of a failing/failed frequency valve, overvoltage protection relay and oxygen sensor? Should I expect a noticeable change the idle or ability to idle if I disconnect these components one at a time? Again, it's velvet above 1,000 rpm.

Is there a limit on how many ways I can pester the forum with this problem?

78 450SEL ... could be gone tonight
91 300SE
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