[W126 Coupe] Hesitation while driving

[Sean]

Yep only under load. I dumped some gas into it before bolting it up.  
The hesitation only happens under load you are correct, that's why I  
am so perplexed. I read on mb forumrs it might be the icv????  Idle  
contol valve next to ditributor?  But it idles stars and revs perfect.  
Just when driving. Still acts like the filter is clogged.



On Apr 25, 2010, at 7:08 PM, Dick Spellman <dick.spellman at gmail.com>  
wrote:


> On 4/25/2010 6:53 PM, Sean wrote:

>> Filter presoaked. Yes it sat for 7years+.

>>

>>

>>

>> On Apr 25, 2010, at 4:25 PM, Jonathan Hodgman  

>> <blueridgemb at gmail.com> wrote:

>>

>>> can be, did you pre-soak the filter? Did the car sit a lot?

> Hi Sean,

>

> Jonathan was referring to pre-soak of new fuel filter.  Pre-soaking  

> prevents the paper element from being damaged when you first fire up  

> the system to 5.4 bars upon energizing that fuel pump after a filter  

> change.

>

> If car sat for 7 years, go get a can of BG-44K and run in a tank of  

> gas.  This is approved and used by Mercedes.  You without a doubt  

> have varnish on all the fuel system components.  The engine smooth  

> revs without a load and idles smooth too?  No skip or miss?  Pretty  

> lucky, I'd say.

>

> -\Dick

>

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