Re: [doc] Re: Injector Cleaner

[Nick Tomlinson <nickandkathryntomlinson@xxxxxxxxxxx>]

I never said that the role of the accumulator was to colelct crud, I am saying that due to the design of the k-jet fuel system, dirt happens to collect here.
   
  The accumulator prior to the filter I was referring is from this standard k-jet diagram:
   
http://www.auto-solve.com/mech_inj.htm   
  Fuel Tank>Accumulator>Filter>Fuel Distributor>
   
  With the classic Delorean problem of hot starting, it is usually the accumulator that fails due to dirt and is well documented.
   
  I hope you weren't referring to myself giving poor advice as it could be read this way.
   
  With this being an informal newsgroup I was under the impression that we can all give our advice, opinions and experiences on here rather than using it as a blatant means of advertising of ones company. If individuals wished to use your services then surely they would contact you direct.
   
  NickT.
  

Daniel Shane <dan@xxxxxxxxxxxxxx> wrote:
  No, you said and a quote again " The accummulator is in the fuel line prior
to the filter so any crud will always accumulate (cough-cough) here."

"any crud will always" are the key words here. Crud will not always collect
in the accumulator.

The accumulator's first job is to help smooth out any pulses in the flow of
the fuel, this is achieved by passing the fuel through a series of baffles
and into a chamber giving it slight capacitance and a much smother flow.

Its other and possibly more important role is to maintain pressure within
the system when the fuel pump has been switched off. Nothing to do with
collecting crap in the fuel system.

I'm not into trying to prove who knows more about this or that I'm smarter
than someone else. I'm just trying to stop poor advice leading to people
wrecking there cars and costing them an arm and a leg to fix. A metering
head can cost over 500 quid to rebuild and injectors also cost a bit.

We all agree that a clean fuel system means a healthy Delorean but if
everything is not clean then adding detergents and allowing the crud to
dissolve and move around the system is just bad advice.

On a lighter note we have accumulator's, injectors, fuel pumps, fuel lines
and filters available just in case :)

Dan

DMC Ltd.

On 19/2/06 15:09, "Nick Tomlinson" 
wrote:

> I never said that the accumulator did have a filter in. I am saying that this
> is a likely place for crud, dirt etc can accumulate.
> 
> Anyway, it is not the easiest to fit but is an important part of the k-jet
> fuel system.
> The location of this device prior to the main fuel filter means that over
> time (unless the tank is spotlessly clean etc etc etc ) it can silt up.
> 
> I think we can all agree that a clean fuel system is the way forward to
> reduce poor running cars.
> 
> This time of year is the time to give the car a once over in readiness for
> summer driving.
> 
> NickT.
> 
> Daniel Shane wrote:
> ³The accummulator is in the fuel line prior to the filter so any crud will
> always accumulate (cough-cough) here.²
> 
> No The Accumulator has no filter in it, It may stop large bits but the
> small particles of crud will pass through it. If it did accumulate in it
> then it will cost you £105 for a new one and then it¹s a pig to fit. You
> really want to risk it for the sake of not looking in the tank?
> 
> There are 4 sets of filters as far as I¹m aware in the system. The one on
> the pickup hose in the tank, the main fuel filter, the metering head has one
> on each of the 6 ports and the injectors themselves.
> 
> I¹ve seen crud miss all of main ones and block the injectors filters up just
> like James¹s. You can try clean the injectors and whilst this may fix some
> it wont fix them all.
> 
> Also The width of the metered slits in the fuel distributor's barrel
> assembly is only 0.2 mm across. Now that¹s small. It only takes a small
> amount to block them.
> 
> When was the last time most of us checked the pickup hose filter ??? If
> that breaks up then it can not only kill the pump but also block the whole
> system up.
> 
> Just check the tank, It¹s cheaper to lose a fuel tank of petrol than the
> whole fuel system :)
> 
> If there is crap in there then clean it out of if it¹s that bad the Club has
> tanks in stock.
> 
> Dan
> 
> DMC Ltd.
> 
> 
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