Don.

Do you suspect there's any amount of dirt in the fuel tank? Did you
find any dirt in the noisy pump internal screen?

(no. Don't ask why I ask.     ;)

Neil.

On 4/27/14, Don Hanson <dhanson928@gmail.com> wrote:

>    My fuel pump has been really noisy for about 1500 miles now and I just
> replaced it with a new one...A quiet one...
>
>    Now,  with the noisy one, the van ran OK....no glaring issues with it's
> digifant inline four motor....I did 'sense' a slight hesitation as I
> accelerated from coasting...I think....and sometimes as I went from no
> throttle to throttle, like at the bottom of a gully, there was a big
> hesitation, like the motor was OFF for a second or two, then pretty normal
> again...
>    I think this slightly "off" behavior has all gone away with the new pump
> installed..I could be imagining it but the motor seems to run better now.
>

> .....  But is
> it possible the noisy pump was making the engine run less perfect?
>  I should know, but how does the digifant fueling system actually work?
> Could the old noisy pump be supplying inadequate fuel pressure and volume,
> just by a little?   It seemed to not matter how much throttle I was
> using...the van ran fine, but just whining and noisy...

--
Neil n

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