[Vwdiesel] Injection Pump Strangeness
Gavrik Peterson
gavrik at cablespeed.com
Sat Jun 12 05:04:42 EDT 2004
>Relax Gavrik ------- it a normal symptom of idle speed being a tad too high.
I hope this is all there is to it!
>Those pumps will run away on you if you set the idle too high. If it happens
>turn key off till governor start working again. Leaning on brakes will reset the
>governor same way.
>
>So before you panic try setting idle back a tad. --- (what the hell is a tad anyway?)
>
>Hagar.
By idle speed setting, I take it you are referring to one of the
adjusting screws that limit the rotation of the speed control lever?
I would not be all that surprised if there is something fundamental
about how these pump work that I don't understand yet.
I thought that the governor consisted of a fly-weight mechanism and
some other grovey stuff that somehow control the amount of fuel that
the high pressure section delivers to the injectors, and thereby,
tries to make the engine to run at a speed that corresponds to the
position of the speed control lever. If this is how the governor
works, then is not the pump doing exactly the same thing when the
control lever is rotated by the accelerator cable as it does when it
is resting on the idle speed adjusting screw?
-- Gavrik
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