125 Harbor Way

Santa Barbara, CA 93101

(805) 774-0637

24/7 Customer Support

Mon - Fri: 9:00 - 5:30

On call service available

What Causes Black Smoke From a Boat Engine Under Load?

What Causes Black Smoke From a Boat Engine Under Load? (Marine Diesel Guide) Black smoke under load is one of the clearest signs that your marine diesel engine is not burning fuel efficiently. When you advance the throttle and the exhaust turns dark, the engine is receiving more fuel than it has the air or […]

Yacht Engine Black Smoke Under Load

Yacht producing heavy black smoke under load during marine diesel diagnosis by 805 Marine Diesel Mechanic in Ventura California

Yacht Engine Black Smoke Under Load – Marine Diesel Diagnosis Guide If your yacht engine produces black smoke under load, it is one of the clearest indicators that combustion is incomplete. In simple terms, the engine is receiving more fuel than it has air to burn efficiently. This imbalance is almost always tied to turbocharger […]

Low Power / Loss of RPM Diagnostics Center

Low power and loss of RPM marine diesel engine diagnostic testing showing computerized engine analysis, turbocharger inspection, and fuel system evaluation for inboard diesel engines serviced by 805 Marine Diesel Mechanic in Ventura, Oxnard, Channel Islands Harbor, and Santa Barbara

Low Power / Loss of RPM Diagnostics Center A marine diesel engine that cannot reach rated RPM or feels sluggish under load is almost always being limited by one system. Fuel, air, cooling, exhaust, and mechanical load all contribute to total engine output. When one of these systems falls behind, the engine cannot produce full […]

Marine Diesel Exhaust Smoke Diagnosis Guide

Marine diesel engine producing sudden heavy smoke during operation diagnosed by trained technician at 805 Marine Diesel Mechanic Ventura Channel Islands Harbor emergency troubleshooting

Schedule Engine Smoke Diagnosis Master Marine Diesel Troubleshooting Guide Marine diesel exhaust smoke is one of the fastest and most accurate diagnostic indicators available. Before replacing injectors, tearing into the engine, or assuming catastrophic failure, start with the Master Marine Diesel Troubleshooting Guide to identify whether the issue is fuel-related, airflow-related, or mechanical. Smoke color—white, […]