125 Harbor Way

Santa Barbara, CA 93101

(805) 774-0637

24/7 Customer Support

Mon - Fri: 9:00 - 5:30

On call service available

Electrical & Starting System Diagnosis Center

Electrical & starting system diagnosis center for marine diesel engines showing battery voltage, starter motor, alternator charging, and no-start troubleshooting — 805 Marine Diesel Mechanic Ventura Oxnard Channel Islands Harbor Santa Barbara

Schedule Electrical Diagnosis Back to Master Troubleshooting Guide Electrical & Starting System Diagnosis Center If your marine diesel won’t crank, cranks slow, starts only sometimes, or keeps killing batteries, this hub gives you the fastest symptom-first pathway to the real cause — without random parts swapping. 805 Marine Diesel Mechanic provides mobile marine diesel diagnostics […]

Marine Engine Heat exchanger clogging symptoms

Marine diesel engine heat exchanger plate style before and after cleaning showing clogging symptoms and restored flow serviced by trained technician at 805 Marine Diesel Mechanic Ventura Channel Islands Harbor Santa Barbara

Schedule Cooling System Diagnosis Master Marine Diesel Troubleshooting Guide A clogged marine diesel heat exchanger is one of the most common hidden causes of overheating, especially when engines run fine at idle but begin to overheat under load. Before replacing pumps, thermostats, or chasing electrical issues, start with the Master Marine Diesel Troubleshooting Guide to […]

Caterpillar Marine Diesel Engine Services

Caterpillar Marine Diesel Engine C12

Caterpillar C12 marine diesel engine repair, diagnostics, and maintenance in Ventura, Oxnard, Channel Islands Harbor, and Santa Barbara. Start with the Master Marine Diesel Troubleshooting Guide when a Caterpillar C12 shows overheating, injector imbalance, hard starting, excessive smoke, oil contamination, low boost pressure, vibration, or power loss under load. 805 Marine Diesel Mechanic provides mobile […]