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PCM Excalibur 330 missing at ~2500 RPM


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  • Baller

My boat was running rough and not getting to speed so I did a complete service - cap (mounting ear on distributor cracked so I added a repair plate), rotor, plugs, wires, fuel filters, oil change, new impeller.  It still ran rough and did didn't get to top speed.  Changed low pressure fuel pump and changed the cap again.  Now I'm getting to top speed but have an occasional miss at 25 and 27 MPH -- all other speeds seem smooth.  Any ideas? @Jody_Seal

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