I’d go with injectors. Tom Buscaglia S/V Alera 1990 C&C 37+/40 Vashon WA P 206.463.9200 C 305.409.3660
> On Sep 7, 2021, at 6:17 PM, Dave via CnC-List <cnc-list@cnc-list.com> wrote: > > > Evening all. Trying to help a neighbour here with a diesel issue. His > engine will rev freely at idle but with the transmission engaged in either > forward or reverse, revs increase very slowly and only to 1800-2000 RPM on > the tach. (whether tach is accurate or not, RPM under load is much lower > than no-load, and RPM increases quite slowly.) > We have verified that neither the exhaust system nor the fuel supply to the > high pressure pump is obstructed. Air Intake is clear. The speed lever > works smoothly to its full travel. The compression release is not engaged. > The engine runs a new facet electric fuel pump with plenty of flow. > When the engine is running, no fuel returns to the tank via the return line. > The return line is not blocked, at least not downstream from the return barb > at the injector. I am not sure under what circumstances the fuel should > return to the tank in a diesel, as the return occurs after the high pressure > pump. > > All This leads me to suspect a fuel (volume) problem but i am not exactly > sure where to look next. I believe all that’s left are injectors and > high pressure pump. The high pressure pump has a governor, not sure if that > functions by restricting fuel flow. > > Any thoughts? > > Many thanks! Dave 33-2 > > Sent from Mail for Windows > > Thanks to all of the subscribers that contributed to the list to help with > the costs involved. If you want to show your support to the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
