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  #1  
Old 07-27-2007, 10:54 AM
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Join Date: Apr 2005
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190E Fuel Pump, Fuel Filter problem?

I just got stranded 2 miles from home. My 190E had a little trouble starting, idled rough, sputtered, gagged, and stalled. Further attempts yielded the same results. Does this seem to be a fuel filter, fuel pump problem? Any direction would be greatly appreciated.

thanks,

John

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  #2  
Old 07-27-2007, 11:04 AM
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Join Date: Jul 2001
Location: SoCal
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Could be, and don't forget pressure regulator and leaks as part of the loop. Could also be spark, though. If you crank it a bit without starting, then quickly remove and sniff a spark plug, a gas odor indicates ignition issues, fuel system likely ok.

Steve
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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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  #3  
Old 08-14-2007, 05:27 PM
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Join Date: Apr 2007
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Most of the time the problem is the Klima relay (marked 4yzl), small black box behind the battery - the one close to the fire wall that controls fuel pump. It happened to my '85 190E 2.3. No problem after I changed it.
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Old 08-14-2007, 06:42 PM
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Are you sure the klima relay controls the fuel pump? I am pretty sure it is the relay in front of the klima relay. They look the same however have different pin configurations. I am 99% sure that the klima relay only has to do with climate control and compressor.
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  #5  
Old 08-14-2007, 07:15 PM
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klima vs other relay

Here is what i think he is referring to as the



as you can see below is in front of the klima relay.


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