Marine Diesel Smoke Diagnosis Guide
Marine Diesel Smoke Diagnosis Guide (Blue, Black, White Smoke Explained) Marine diesel exhaust smoke is one of the most powerful diagnostic indicators available—if you know how to interpret it correctly. Blue smoke, black smoke, and white smoke each point to completely different system failures involving fuel delivery, airflow, combustion temperature, or internal engine wear. At […]
Marine diesel cranks but won’t start
1. Air Intrusion in the Fuel System Air intrusion is one of the most common reasons a marine diesel cranks but won’t start. Even small amounts of air prevent the injection system from building the pressure needed to atomize fuel. Loose Racor filter seals Cracked suction hoses Fuel pickup tube leaks Improper filter installation This […]