Question about 1985 Mercedes-Benz 190

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Mercedes 190e model 1990 engine shutdown by itself

My Mercedes 190e year model 1990 sometime shut down by itself when stop at the red light or turning to a juction. It will take about 5 minutes to get it re start. When the engine starts to run after the self shut down, when the engine get started, there is strong of petrol.

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  • na53 Jan 18, 2009

    Are you saying the spark plug or there is starter plug which is some where in the engine. where can I find it?

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Check for a vacuum leak and the alternator. 

Posted on Jan 18, 2009

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It can be fuel delivery (fuel pump, clogged fuel filter, fuel pump relay). Also improperly adjusted/saturated or damaged carburetor float. I would check carburator first.
Good Luck

Posted on Jan 18, 2009

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Engine smoking indicates overheating due to low coolant and/or oil if it shutdown because of overheating you may have already done serious damage .just check out .

Posted on Jan 18, 2009

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I would have these components tested


Idle Air Control Valve Damaged,loose, or faulty idle air control valve. Mercedes 190e model 1990 engine shutdown by itself - grey_line.gif

Idle Speed Control Actuator Damaged,loose, or faulty idle speed actuator.

Posted on Jan 18, 2009

  • Nate Stansfield
    Nate Stansfield Jan 18, 2009

    Also make sure to check the pcv valve. remove it and shake it. Make sure it rattles when it shakes.

    Also check Spark Plug Wire Loom - Performance
    Improperly
    adjusted or worn/malfunctioning carburetor/fittings.

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There is a cold start fuel heater in the inlet maifold try to see if thers power to it first if so just replace it should sort your prob

Posted on Jan 18, 2009

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It’s a vacuum hose that has slipped off (most likely).

Posted on Jan 18, 2009

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Tis wil be because of the starter plug problem there might be rust in it clean it

Posted on Jan 18, 2009

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