[W126 Coupe] 1988 560 SEC loss of power

[Jay Hirsch]

THAT  is for all cars.
keep cruisin
Jay H
On Sep 23, 2009, at 5:36 PM, Dean Slone wrote:


> I was taught to not let the tank get below 1/4 full because you  

> might suck some "stuff" from into the fuel system.  But that was  

> for American cars.

>

> Maybe you have something floating in your tank?

>

> Dean

> ----- Original Message -----

> From: GreyGarageRuss at aol.com

> To: mbcoupes at mbcoupes.com

> Cc: GreyGarageRuss at aol.com

> Sent: Wednesday, September 23, 2009 2:07 PM

> Subject: [W126 Coupe] 1988 560 SEC loss of power

>

> I follow this list daily and now have a problem with my 1988 560  

> SEC which I could use some advice on.  Twice in the last two weeks  

> while driving my car lost power.  Each time the trips were at  

> highway speeds and after about 1-1/2 hours of driving.  On each  

> occasion, the fuel gage was close to the “R” (reserve tank ) level.  

> The car lost most of its power (like running on 4 cylinders) but  

> did not stall.  I was able to get over to the curb lane at about  

> 15-20 mph.  I turned the ignition off  each time, waited 4-5  

> minutes and restarted….it then ran fine.

>

> I have had two mechanics look at it but no solution.  Both  

> suggested fuel supply problems but the two fuel pumps were checked  

> and appeared to be functioning properly.  They also suggested a  

> fuel sensor problem but were unable to check sensor while problem  

> was not happening.

>

> Other suggestions included: blockage in muffler system or catalytic  

> converter!

>

> Any advice would be appreciated.

>

> Russell

>

>

>

>

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