125 Harbor Way

Santa Barbara, CA 93101

(805) 774-0637

24/7 Customer Support

Mon - Fri: 9:00 - 5:30

On call service available

Boat Engine Losing Power

Marine diesel engine losing power under load during sea trial inspected by trained technician at 805 Marine Diesel Mechanic Ventura Channel Islands Harbor

If your boat engine is losing power, struggling to get on plane, or unable to hold normal cruising speed, you are dealing with one of the most common marine diesel problems. This guide explains how to diagnose marine diesel power loss using real system-based troubleshooting so you can separate fuel restriction, turbocharger failure, air intake […]

Ford Lehman 120 Marine Engine Room Restoration

engine room restoration completed

Ford Lehman 120 engine room restoration after painting and system upgrades. This Ford Lehman 120 twin-engine restoration shows what a clean, methodical marine diesel refit should look like. Before any paint was applied, the engine room was evaluated as a full operating system: starting, cooling, fuel filtration, bilge safety, plumbing access, wiring layout, and long-term […]

Marine Services

805 marine diesel mechanic logo

Marine diesel repair, rebuilds, repowers, diagnostics, and preventative maintenance for vessels operating in Santa Barbara, Ventura, Oxnard, and Channel Islands Harbor. Start with the Master Marine Diesel Troubleshooting Guide when your diesel engine develops smoke, overheating, rough running, loss of RPM, poor fuel economy, hard starting, or drivetrain vibration. 805 Marine Diesel Mechanic specializes in […]