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

--- In dmcnews@xxxxxxxxxxxxxxx, doctorDHD@xxxx wrote

I thuoght I already had explaned it but here goes so read carefully! 
When a B28 engine is cold is when it's thirstiest for fuel and the 
Lamda (enrichment) curcuit is in a fixed rich mode. It therefore 
calls for IMHO more fuel than a partially clogged fuel filter can 
deliver in this short peak demand period. Does that make any sense?

Rob Grady,

P.J.Grady Inc.
> 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 
> 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  
> a slight backfire in about 3-4 quicks pops. After this the car  
> 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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