My Engine is Still Smoking...
January 14, 2026 · 29 min · 10K views
What this video covers
Oliver attempts to resolve persistent white smoke from his boat's engine by replacing the fuel pump and performing multiple oil changes.4:05 Suspecting a failed fuel pump seal allowed diesel to contaminate the engine oil, he drains the crankcase, replaces the oil filter, and refills the system.3:31 Despite these efforts and running the engine for 25-minute intervals to circulate the oil, the white smoke continues.24:12 Research suggests the smoke indicates unburnt fuel, potentially caused by air trapped in the fuel lines, partially clogged injectors, or low engine operating temperatures.28:16 To troubleshoot further, he plans to bleed the fuel lines by cracking the injector nuts one at a time to purge any remaining air.28:16 He notes that the engine does not exhibit a rough idle or misfiring, which helps narrow the potential causes.28:52
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