RPM fluctuation 1985 380SE - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 11-27-2005, 03:07 PM Thread Starter
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Date registered: Nov 2005
Vehicle: 2000 E320
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RPM fluctuation 1985 380SE

Hi folks, I am new to this site and I like it a lot. I have a 1985 380SE with 102k miles. It is a very clean car. Recently the engine RPM goes up and down randomly. This model has electronic idle adjuster. Any one had this problem before? I suspect that the electronic idler is going out. Fuel pump, filter, accumulator injectors, dist. cap, spark plug wires are all new.

Thanks for your help.
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post #2 of 3 (permalink) Old 11-27-2005, 03:32 PM
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RE: RPM fluctuation 1985 380SE



Sounds to me like you have a crack in a vacuum hose somewhere.Try the search function to get tips on diagnosis.
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post #3 of 3 (permalink) Old 11-27-2005, 04:23 PM Thread Starter
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RE: RPM fluctuation 1985 380SE

Thanks for reply. I have looked for that as well but there are so many of those hoses. I will look more.
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