Quote:
Originally Posted by winmutt
Coked injectors. Delivery valves really dont wear but I have seen them stuck. Unheated veggie oil will lead to more problems than its worth.
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It does not happen often but in all Fuel Injection Pumps that have Delivery Valves they do get worn to the extent that they need replacing or sometimes they can be lapped.
For some reason some fuel injection setups cause Delivery Valve wear more than others do. As they create a pressure wave/s in the system that are hard on them.
Unfortunately I can only speak in general as my experience is before these particular Fuel Injection Pumps were made.