Question about 1988 Mercedes-Benz 190

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Oil is mixed with benzin in oil carter

Hello, i have mercedes 190 (W201) year 1988. The last time i saw that the benzin go inside oil carter. I don't know exactly where is the problem and what is the solution. Please help me, thanks too much

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You getting benzin (petrol) into the engine oil??? I'm assuming your 190E is injected? Problem could be your fuel distributor. If you remove the lines from the fuel distributor that go to the injectors. turn on the ignition just so that the fuelpump kicks in (it only stays on a short time to pressurize the system)... there should be NO fuel coming out. If fuel bubbles out of any of the 4 (assuming a 4cyl) lines of the fuel distributor than the fuel distributor is 'faulty' and feeds the injectors to much fuel and the excess fuel washes itself past the rings into the engine sump. This can be caused by one or more of the O-rings inside between the plungerhousing and the upperbody or even some perforation in the gasket membrane.... either way the fuel distributor is not a servicable part, Bosch does not sell any kind of kit for the internal parts as the fueldistributors are factory adjusted to a certain flow and as new parts be of different thickness etc. the flow would be outside manufacturers settings. Cheapest solution would be a secondhand unit.

Posted on Aug 18, 2008

  • Anonymous Nov 08, 2013

    Thanks for this I've been thinking that I need to check my fuel oil so this has taught me a lot.

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