[DML] Re: Strange acceleration problem
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[DML] Re: Strange acceleration problem



--- In dmcnews@xxxxxxxxxxxxxxx, "Daniel" <dmcburn75@xxxx> wrote:
>Daniel,

The cold start valve has absolutely no function once the engine is 
running unless it is staying on after startup (extremely rare). Your 
descrition isn't detailed enough to allow a diagnosis but I'd 
suspect it's ignition timing or fuel delivery related.

Rob Grady 

P,J,Grady Inc. 
> My fuel filter was replaced in August. About 2 months ago I was 
having
> a problem where the car wouldnt start when cold. It took many 
atempts
> to finally start. Dave Delman helped me with this problem locating 
a
> faulty electrical connection on the cold start valve. That seemed 
to
> correct the problem but I now get this backfiring. I'm thinking the
> cold start valve is going bad? 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, doctorDHD@xxxx wrote:
> >
> >  
> >  
> > Can someone explain to me how a bad fuel filter can cause 
hesitation
> and  
> > back firing only when the engine is cold? 
> > 
> > 
> >  
> > Thanks,
> >  
> > D² & 6530
> > 
> > Dan,
> > 
> > Before you try to trouble shoot the fuel injection I would  
suggest
> changing
> > the fuel filter. That corrects the symptoms you describe  more 
than
> half of
> > the time. Do you know when it was last changed? A bad CPR  won't
> allow you to
> > accelerate at all for a few minutes with a cold engine so  I 
doubt
> it's that.
> > 
> > Here is something ponder over. When I start my car  after 
sitting for
> > the night it starts up fine. When I give it gas to get out  of my
> > driveway and up the street, I notice I lose acceleration. I 
then  here
> > a slight backfire in about 3-4 quicks pops. After this the car  
runs
> > fine and I don't get it again until the next day after  sitting
> > overnight. Any thoughts on the cause of this?  Thanks!
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > [Non-text portions of this message have been removed]
> >
>








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