1993 Mercedes-Benz 190 Logo
Posted on Aug 02, 2009
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How to test fuel pump relay on a 93 mercedes 190e

Ran my car out of gas and cant get started since then, i think it may be the fuel pump but want to rule out all other possible options first. like relay, filter etc.

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  • Posted on Oct 17, 2009
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There are 2 fuel pump relays on the mercedes so it is unlikly that they have both gone on it....check your over voltage relaytell me what happens
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  • Posted on Aug 02, 2009
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Bleed the pump and this should solve the problem

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  • Posted on Sep 02, 2013
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I have looked everywhere in the engine compartment on my 1990 Mercedes 190E 2.6. Where is the fuel pump relay on a 1990 mercedes190e 2.6? It's not behind the battery or anywhere near it, and it's not near the fusebox on the other side of the engine compartment.

  • W N Sheridan Sep 23, 2013

    been checking everything. The relay isn't in the battery area. All I need is to find the relay . Where could it be?

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  • Posted on Dec 15, 2011
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Check that ur fuel line isn't sucking shut when the car or vechile has pressure on it

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1answer

Can't find the fuel pump relay on my 1990 190E Mercedes. Every thing I see says it is in the engine compartment behind the battery. Not so on my 190E. Where else could the fuel pump relay be?
Relay should be behind fuses under a screwed down cover. My question to you is why would you think the relay is bad? Check voltage at the pump as someone turns the car to on. At this age it's most likely a dead or dying pump. Other things to consider are OVP relay (behind the battery) , coil dead, general tune up ie plugs, wires, cap and rotor.
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Sep 23, 2013 • 1993 Mercedes-Benz 190
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1987 mercedes 190e 2.6 not getting fuel good spark
this is a old one ,havent seen one of these car for a while ,our version of this for the same year had carbs ,if injection then i would expect to find the relay in the power distribution box under the bonnet ,cant remember exactly but i seem to think this year the fuel pump would be under the back of the car bolted to the chassis .
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How do you test fuel pump relay on 88 mercedes 190e
The fuel pump relay is behind the battery. remove it and bridge pin #30 (should be under power) and #87 (that goes to the fuel pump).
If the fuel pump kicks in you know the relay is bad
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Jan 28, 2012 • 1993 Mercedes-Benz 190
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Ran out of gas put in 4 gallons now wont start where is the carb on the 85 19oe gas? can i spray starter fluid somewhere to make it kick?
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93 190e with 2.3 fuel pump noisy and when car runs a couple of minuits the pump quits and so does the car also is there more than one pump on this cat
Should have 2 fuel pumps but if the pumps are shutting off it sounds like the fuel pump relay. Go to benzworld.org for many solutions to MB issues.
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88 190E has been sitting for over a year, wont start. Have cleaned out the fuel, still wont start. An amituir mechanic said it needed a fuel pump and or a fuel relay. (Very costly) Any advice? The car ran...
what is the fuel pressure reading, bet it's zero. replace the fuel pump and the fuel filter. when fuel gets old it gums up the pump and it won't spin and produce pressure, very common complaint on stored cars, i.e. no fuel pressure.
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Jun 16, 2009 • 1999 Mercedes-Benz E-Class
1helpful
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88 190E has been sitting for over a year, wont start. Have cleaned out the fuel, still wont start. An amituir mechanic said it needed a fuel pump and or a fuel relay. (Very costly) Any advice? The car ran...
Thats not very costly the relay is cheap. The tune up you probably need is what will be costly. Coil, Cap, Rotor, Wires and plugs also maybe the OVP relay. Can you hear the fuel pumps when you try and start it? It doesnt have to turn over they should come on for a few seconds when the ignition is in the on position.
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Jun 16, 2009 • 1988 Mercedes-Benz 190
0helpful
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Mercedes benz 1992 190E
Lift the hood. Just below the screen, opposite side from battery, you'll see a plastic cover shielding the engine management, abs control box etc. If you search around there after removing the shield/ cover you will find a relay with a fuse plugged into the top of it. This is the pump / system relay.

Cheers John
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Nov 13, 2008 • 1992 Mercedes-Benz 190
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Can't find the fuel pump relay on my 1990 190E Mercedes. Every thing I see says it is in the engine compartment behind the battery. Not so on my 190E. Where else could the fuel pump relay be?

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