[W126 Coupe] starts and cuts out

[560secfl]

That seem to almost work but in the end it would stall out

 

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Richard Shayegan
Sent: Thursday, January 14, 2010 8:55 PM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] starts and cuts out

 

Did you try keeping it alive with the throttle? A bad warm up regulator can
cause this if it is making it too lean for the cold weather - the engine
will die once it comes off the cold start circuit.

560secfl wrote, On 1/14/2010 8:52 PM: 

Both my Fuel pumps are new within the last year and the Fuel distributor was
changed out two weeks ago it sound that maybe the Ignition tumbler no key
but one on it now but it feels lose ( the key itself)

 

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Attila
Sent: Thursday, January 14, 2010 8:34 PM
To: 'Mercedes Coupes Mailing Lists'
Subject: Re: [W126 Coupe] starts and cuts out

 

        We are working on an '87, with a nearly identical issue.

        The fuel filter was changed to brand new (should have 

seen the gunk), but, it didn't help.  We have now narrowed 

it down to the fuel pumps or the ignition tumbler, since 

both pumps are cutting in-and-out.  If you carry lots of

keys on a chain, it may be the tumbler has gone bad.

Endless discussion about this in the archives.  I'll give an

update Saturday eve.  You may want to start with something

very simple: loosen each line on top of the fuel distributor

and see if you get a steady flow of gas.  Hopefully, it is

something simple, not an involved/expensive electrical item.

 

  _____  

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of kelly frink
Sent: Thursday, January 14, 2010 8:12 PM
To: Mercedes Coupes Mailing Lists
Subject: Re: [W126 Coupe] starts and cuts out

 



Hi all

 

I drive my 1988 560sec to my office today and parked and when I went to
leave it started and then stalled and would not start again.  it starts but
only runs for maybe 3 or 4 sec and cuts out.  any ideas 

 

thanks

 

the good news is it will look like I have been at my office all night
working

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