Ferrari Mailing List: Re: 328 run on

[Ferrarisimo [at] hotmail.com (ferrarisimo]

Sounds like it might be a dirty or failing injector - dripping fuel  
in one cylinder.  Try an injector cleaner.

Scottie
On May 3, 2007, at 4:21 PM, LarryT wrote:

> Howdy,
>     First, make sure all the vacuum lines are in place properly and  
> not
> damaged.  A vacuum leak causes all kinds of running problems.  If  
> these
> hoses have been in place for nearly 20 years they may have dried  
> out and
> become brittle.  Also check the ignition settings to be sure they are
> correct.  If the timing is slightly retarded it can cause run-on.
>
>     Also, you wrote that you <<<tried messing with the fuel/air  
> mixture
> >   -- that's not a good idea.  In extreme cases damage to the  
> > pistons can
> result.  There's a procedure to flow when adjusting the fuel/air  
> mixture
> which normally requires a gauge of some sort.
>
>     Good luck -
>
> Larry T (67 MGB, 74 911, 78 240D, 91 300D)
> www.youroil.net for Oil Analysis and Weber Parts
> Test Results http://members.rennlist.com/oil
> PORSCHE POSTERS!  youroil.net
> Weber Carb Info http://members.rennlist.com/webercarbs
> Porsche Road Test http://members.rennlist.com/roadtest/
> .
> ----- Original Message -----
> From: <vikelj [at] comcast.net>
> To: "Larry Turner" <l02turner [at] comcast.net>
> Cc: "The FerrariList" <ferrari [at] ferrarilist.com>
> Sent: Thursday, May 03, 2007 4:00 PM
> Subject: [Ferrari] 328 run on
>
>
> > 1 own a 1987 328.  For some time, I have had a very slight run on  
> > after I
> > turn the car off.  I have tried messing with the fuel/air mixture  
> > to get
> > rid of it but it won't go away.  Sometime, it is just a slight  
> > poof after I
> > turn the car off and sometimes, when the engine is hot, it almost  
> > backfires
> > and sometimes, it sounds as if the engine is trying to start up  
> > again.
> > Anyone run into this problem before and if you fixed it, what did  
> > you do?
> > Thanks.
> > Jim
> >
> > --
> > http://home.comcast.net/~vikelj/page3.html
> > Law Offices of James V. Cunningham
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