[W126 Coupe] Tune up woes

[Richard Hogarth]

Sounds like fuel starvation. 
Change the fuel filter asap to start with. 
-Richard Hogarth

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From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Shayegan, Richard
Sent: Wednesday, September 14, 2005 11:49 AM
To: Mercedes Coupes Mailing Lists
Subject: RE: [W126 Coupe] Tune up woes



Isn't this exactly why people say stick to the W9DC plugs?

 

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From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]
On Behalf Of Dick Spellman
Sent: Wednesday, September 14, 2005 12:45 PM
To: mbcoupes at mbcoupes.com
Subject: [W126 Coupe] Tune up woes

 

A fellow SEC type with a 500 engine had the work performed to fix a backfire
problem by a local (non-MB) shop.  They installed new wire set (the brand
and set-up are just fine), a new cap and rotor (both mongrel aftermarket not
Bosch) and new plugs (my friend thinks they have 2 electrodes or more).

 

Anyway, the car starts and runs fine but, when on the highway doing 70 or so
the engine just quits momentarily and then kicks back in.  This all started
1,000 miles after the tune-up. 

 

What are your thoughts on a path to diagnosing the problem? Regards,


Dick

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