Question about 1985 Mercedes-Benz 190

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Hello my fuel pump pressure, maybe weak, if so how do i fix the problem. I have a 1985 Mercedes-Benz 190D. Please, if someone can give me some advise what to do. Thank You

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I just had the same problem with my Chevy S10 Pickup. I changed my fuel pump myself, and that solved the problem. Fuel pumps can range in price, depending on if the sending unit is sold with the pump or without. If it is something you can do yourself, I would recommend it. You will save yourself a lot of money, otherwise look at spending about three to four hundred dollars for a mechanic to do it. It is pretty simple, and you SHOULD buy a mechanics book for your car, which you would find at any auto parts store. You may need to buy a few tools, but that cost is pretty low.
Three years ago, I had a mechanic replace my pump. It cost me 450 dollars, not including the cost of the pump.
I just replaced it again a couple of weeks ago. The pump was $240, tools were $40. So, that is why I would recommend you do it yourself if you need to save money.

Posted on May 09, 2009

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if you try to download this, use picasa photo viewer to open the file...it can give you a high quality zoomed image...inform me if you received,ty

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neto 190D: You are asking about a vacuum diaphragm?
I'm going to take a WAG.. Your engine won't shut
down with the key?
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In your injection pump, the vacuum diaphragm which kills the engine is the one which has the fitting pointing parallel to the ground.
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The shutoff diaphragm lists for $86.00
Is my shot in the dark correct?
Even though I am a Nissan Master tech, I also specialize in Mercedes-Benz and specifically Diesels, so if you need help, I'm here. I went through a few Mercedes Schools and have been swinging Iron in Mercedes since the 70's
I might be a little more informative than the public library.

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