[W126 Coupe] Summer starting?

[Richard Hogarth]

My 560sel has developed the same problem this summer and it doesn't seem to
be related to the AC. 
My problem started after replacing the fuel filter. I was thinking that
either the pumps were going out or that there is a vapor lock in the new
fuel filter. 
Any thoughts?
-R_hogarth at foundrycove.com

  _____  

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Mike R.
Sent: Saturday, August 27, 2005 8:14 PM
To: 'Mercedes Coupes Mailing Lists'
Subject: [W126 Coupe] Summer starting?



The SEC has had a starting problem the last couple of weeks and it's been
getting a little worse each week. 

 

If it's cold, if fires RIGHT up. If it's been driven a while, up to normal
temperature, it seems to not like the next start - starts, stumbles, maybe
runs, no power and when it's put in gear it stumbles, quits, then may or may
not start. If the car is in a garage/parking structure, it has restarted
fairly easily. I rev it a couple of tims, then put it in gear and drive
away. Park the hot car in the hot sun, even under the car cover and 1. it
fires up but stumbles, quits, then won't start for a while or 2. it might
not start at all, just crank. Several times it fired right up but had no
power - putting it in gear and it stumbles and quits, then it's VERY
difficult to start. Today I tried to listen for the fuel pumps but no noise.


 

This didn't seem to happen until I fixed the A/C and now that the A/C is
cold, the car has this problem. Might be coincidence.

 

Vapor lock or fuel pumps? Which direction should I go in troubleshooting??

 

Later,

Mike R.

(702) 494-8056

 

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