Without specifics start with FACT. Fuel
, air, compression
, timing. I'm assuming it ran well and you haven't changed anything since. I'm also assuming power, revs, operating temps, oil
level and condition is all ok. These are your pre start or running checks.
You've changed fuel filters but are all injectors delivering fuel and with a good pattern? Is the fuel injection pump delivering the right amount of fuel?
Intake doesn't sound like it's an issue. Is your raw water
discharge pattern the same as before?
and timing I'll assume haven't changed.
FACT or FACTS (spark) for gasoline engines is the universal diagnostic checklist.
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