mercedes benz fuel economy


Old 08-06-02, 02:11 PM
john newhouse
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mercedes benz fuel economy

I have a 1985 380SE Mercedes Benz and recently (virtually overnight) the miles/gallon dropped from 20 down to 15. This is accompanied by increased blue smoke in the exhaust and the last 4-6" of the tailpipe havng a wet look. I changed the plugs, plug wires, distributor cap and rotor, oil and filter, and air filter but the problem persists. Plugs removed, and tailpipe, indicate a rich fuel mixture. Any suggestions on the cause of this sudden loss in MPG and nasty exhaust?
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Old 08-06-02, 06:28 PM
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Thumbs down

If the smoke is truly blue, it is burning oil. Engine rebuild time

Make sure the crankcase vent hoses are not clogged, misrouted or disconnected.

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