Question about 1988 Mercedes-Benz 300

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My Mercedes Benz 300E 1988 car is spontaneously revving up in rpms without actual acceleration of the car. What are the first things I should consider checking out? Thanks.

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Hello,visual check for hose or vacuum line in area of intake manifold,maybe a leak or damage,creating additional air, manifold gasket or rubber seal for injector nozzle should be check also,ty

Posted on Apr 21, 2009

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