Fuel Pump

Huw Powell audi at humanspeakers.com
Thu Dec 24 15:18:36 PST 2015


A fuel pump can't affect performance unless it is broken.

You should have bought the correct part for your car, which may not work 
properly until you do.

We do want to hear if your mechanic finds a problem and fixes it, so 
please be sure to let us know.

On 12/24/2015 5:24 PM, David Vanden wrote:
> I ran that theory by the mechanic and unless I explained it wrong he
> didn't think that was it.  He could be wrong and he will know when he
> gets the chance to look at it, but I don't doubt him much as he really
> knows his sh__.  Maybe it is a combination of things so maybe it is part
> of the problem.  I hope the fuel pump isn't too much pump for that car
> because something I did is affecting performance when it does run and I
> don't want to undo it.  Also it wasn't the cheapest fuel pump in the
> world and I went to the trouble of finding a bracket that would fit it
> and getting the proper fittings for it and putting it all on.  So I hope
> I don't have to revert to the O.E. pump.  At this point it looks like I
> will have to take it to the mechanic, when he has the chance to work on
> it, so I will let you know what it was.
>
>
> On Thursday, December 24, 2015 4:06 PM, Cody Forbes <cody at 5000tq.com> wrote:
>
>
> Isn't this the same one from a few weeks ago that we diagnosed as the
> pump cavitating due to out flowing the supply line?
>
> -Cody Forbes (mobile)
>
>  > On Dec 24, 2015, at 2:51 PM, Huw Powell <audi at humanspeakers.com
> <mailto:audi at humanspeakers.com>> wrote:
>  >
>  > They aren't "supposed" to be loud (although a lot of old ones are).
>  >
>  > Why not just put the correct part in and see how it works then?
>  >
>  >> On 12/24/2015 9:51 AM, David Vanden wrote:
>  >> Does anyone have an aftermarket Bosch Fuel Pump installed on their
> car?  I believe mine is a Bosch 040 "High-Output" Fuel Pump.  It may be
> overheating, or the circuit may be overheating.  It is loud but the buzz
> is inconsistent.  I know they are loud, but mine buzzes and then buzzes
> louder for a moment and then returns to its previous hum.  I wonder if
> sediment in the gas tank is clogging it.  This is my second post about
> this, but if anyone knows the score on this one please inform me.
>  >> David
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