Question about 1995 Mercedes-Benz E-Class

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Engine starts OK but when warmed up I get an occasional drop in power, which usually clears if I drop it down a gear and pump the throttle pedal. I have already replaced the plugs and air filter and fuel pump filter.

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Warn up the engine and start monitor the tail pipe for small white vapor when the RPM drop.

If your engine has 100,000+ miles then it can be a small passage leak between the coolant and chamber.

Monitor the coolant lever and engine temp...make sure it's not over-heating.

DO a coolant pressure test to rule out blowing head gasket.

Posted on Jul 17, 2009

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