2000 210SD 5.0 Mercruiser won't run above 3k

TimJDavis

New Member
May 22, 2022
6
Kalamazoo
Boat Info
2000 210SD
Engines
5.0 TBI
I have replaced the anti siphon valve, pickup tube, plugs, cap, rotor, and wires. The engine starts right up when cold. It struggles to get to 3k rpm. It will run there for about ten minutes the coughs spudders, then dies. Then it takes 20 minutes before it'll restart but doesn't run right.
 

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