[W126 Coupe] 1986 560 sec died on road

[Mike Beyersdoerfer]

Where are these pins 7&8?

Mike Beyersdoerfer

On Apr 10, 2009, at 6:40 AM, Darryl Kepler wrote:


> I had the same issue with an 82, I jumped the relay as Marcus said  

> and still no fuel pump noise, turns out I had a loose wire at the  

> fuel pump from road debris.  Make sure when you jump 7&8 you hear  

> the pump running.

> Darryl Kepler

>

> From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com 

> ] On Behalf Of Markus Meyer

> Sent: Friday, April 10, 2009 8:26 AM

> To: Mercedes Coupes Mailing Lists

> Subject: Re: [W126 Coupe] 1986 560 sec died on road

>

> You need to figure out if there is a spark issue, fuel issue, or  

> something else.

>

> 1) what exactly is it doing?  is it cranking and trying to start,  

> meaning battery/electrics seem god, just not starting up?  or is it  

> not cranking either?  or a weak crank? (battery, starter, coil, etc  

> issue?)

> 2) try taking out the fuel pump relay and jumping the pins 7&8 with  

> a wire, does the fuel pump hum/spin?  If so, try starting it then.   

> If still not, try removing air cleaner and pouring some starter  

> fluid in there, see if it starts and dies after you stop pouring  

> fluid in - this indicates fuel issue

> 3) check for spark if fuel checks out okay

> 4) if all that checks out okay (good spark, fuel, etc) maybe  

> something like crank position sensor?

>

> Markus Meyer

> mfm at meyerprobateproperties.com

> www.meyerprobateproperties.com

> Meyer Probate & Properties, LLC

> 484-919-9762

>

>

>

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

> Subject: [W126 Coupe] 1986 560 sec died on road

> From: Neville Pearson <pearsonn51 at msn.com>

> Date: Fri, April 10, 2009 8:00 am

> To: <mbcoupes at mbcoupes.com>

>

> I'm new to mbcoupes. My 86 560 stalled out on road and would not  

> restart. Usually this is furl pump relay.  I had one on hand changed  

> and did no good.  Checked overload relay fuse it was good. Checked  

> rotor good.  Any ideas would be appreciated. Thanks, Neville Pearson

> 1985 500 SEC, 1986 560 SEC, 1987 190 E, 1997 E420, 1997 S 500 Coupe,  

> 1997 S 500 Sedan

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