I guess there is one other low cost possibility...your throttle cable is
somehow jamming now permitting
it to open to full throttle. Fairly low chance that is it, but worth
checking before you start ripping expensive
bits a part. You can disconnect the throttle cable and push/pull the
throttle by hand to see if it changes
anything.
On 2022-06-28 11:13, Jeff Nelson via CnC-List wrote:
So that pretty much narrows it down to Fuel or exhaust. Have you
checked your mixing elbow to ensure it
is clear? Restriction would certainly keep the revs from going up.
After that it likely gets expensive in
either fuel supply (high pressure pump/low pressure pump) or injector
issues.
--
Cheers,
Jeff Nelson
Muir Caileag
C&C 30 - 549
Armdale Y.C.
On 2022-06-28 11:10, Robert Abbott via CnC-List wrote:
Prop is clean....shouldn't matter if the prop is dirty, the engine
won't rev above 2,100 RPM's when in neutral.
On 2022-06-27 12:32 p.m., Korbey Hunt wrote:
Is the prop clean?
Get Outlook for Android <https://aka.ms/AAb9ysg>
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Jun 26, 2022 09:39:09 Robert Abbott via CnC-List
<cnc-list@cnc-list.com> <mailto:cnc-list@cnc-list.com>:
Went to take the boat out Friday for a short sail .....motoring
out heading into a12 knt breeze....started to increase the
RPM's and found the engine wouldn't rev about 2,100 RPM's
....marine diesel's are not supposed to be that complicated but
they are to me. I wouldn't know where to start to trouble
shoot....getting a mechanic to deal with it this week. I spoke
to him and told him the situation and he thinks it is a fuel
problem....engine not getting enough fuel....my fuel tank and
fuel should be clean as I had the bottom of it replaced 2 years
ago and the 2 fuel filters replaced. He thinks one or both of
the filters are restricting the fuel flow.....I hope he is
right but I don't think so.
Possibly many are causes....restricted fuel injectors, fuel
pump, etc. ....the engine has never been serviced in the 16
years I have had the boat
Any insight or guidance to help greatly appreciated.
Rob Abbott
AZURA
C&C 32 - #277
Halifax, N.S.
--
Cheers,
Jeff Nelson
Muir Caileag
C&C 30 - 549
Armdale Y.C.
