Question about 1990 Mercedes-Benz 190

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1990 mercedes 190e wont start, new battery, new fuel filter help

Ran fine then two weeks ago, just would not start, replaced the battery, used starting fluid, it started and idled very rough, thenstalled out, was told to replace the fuel filter, did so , still wont start. fuel pump sounds like it is running, what else is there to check?

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  • maria kukulski Mar 04, 2013

    relay overload.............

  • maria kukulski Mar 04, 2013

    I did 5 tuneups in one month because eveyone on the internet had a different opinion, so I tried everything you did, ended up taking it to the dealer and it was the overload relay, fifty bucks !

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I see, we ask for help and you want to charge us for it. But if we have solved the problem, you want us to tell you how we did it. Well my time is valuable too, i figure it took me about three hours to figure out the problem and fix it, at my hourly rate of $100 an hour, yes i am a business executive that works on his own cars, it will cost you $300 for the answer.
Thanks,
Ifixumtoo

Posted on Jan 03, 2009

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Overload Relay, behind the battery wall,,easy..........

Posted on Mar 04, 2013

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Ok there is a number of things that will stop it from revving past 3k from your description I would check the ignition timing for advance mechanical and vacuum .I don't know when you experience the fault or eg while driving or just free reviving in Neutral .
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Dec 05, 2008 | 1990 Mercedes-Benz 190

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No start


have you tried replacing the fuse on the overload protection relay? This is located behind the battery, behind a thin plastic sub panel which houses the relay and other electronics. The relay is about 1 1/2" square X 2" tall, and has a flip cover to get to the fuse or fuses. Some models have a single 10A fuse, others have two. You might check these before going to much further. I have found that by jumping the car, you can blow the fuses, and very possibly the OVP as well. Good lock!

Dec 04, 2008 | 1990 Mercedes-Benz 190

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