Marine Diagnostic Services
Full-service marine diagnostic scanning and troubleshooting for inboard, outboard, PWC, and diesel engines.
Our Diagnostic Work
Fully Mobile Marine Mechanics
We make it easy and come to you!
We Service All Boat Makes / Years / Models
Full service boat mechanics for any and all inboard & outboard engines
Trusted and Reliable Service
Be confident knowing you are being serviced by the best boat mechanics in all of Florida
Comprehensive Engine & System Diagnostics
At Poseidon Marine, accurate diagnostics are the first step to reliable repairs—our expert technicians connect dealer-level scan tools to your engine’s ECM or onboard systems to read fault codes, capture performance data, and pinpoint issues swiftly across all engine types.
We employ advanced software and adapters to perform injector and fuel-pump tests, compression and leak-down analyses, and live-data logging—just like OEM dealerships.
Our full-service diagnostics department covers every system on your vessel—engine control modules, charging and starting circuits, fuel management networks, trim/tilt electronics, and NMEA 2000 marine networks—ensuring no fault goes undetected.
Diagnostic Brands & tools we use:
Jaltest (Cojali), TEXA Marine, MEDS, NAVIGATOR TXB Evolution, Axone Nemo, Diacom MerCruiser Scan Tool
Code Reading & Troubleshooting
Reading and clearing ECM/marine network fault codes to identify and resolve engine and system faults.
Performance Data Logging
Capturing live engine metrics—RPM, temperatures, pressures, and fuel trims—for accurate diagnostics and tuning.
Preventative Diagnostics
Scheduled system scans and sensor health checks to detect early warning signs and prevent costly breakdowns.
Florida's #1 Mobile Marine Mechanic
Marine Diagnostic & Troubleshooting Services
Poseidon Marine delivers turnkey diagnostic solutions—combining OEM-level tools with expert analysis—to keep every system on your boat performing optimally throughout Florida. Our mobile and dockside units are equipped to perform rapid on-site diagnostics and deliver detailed reports, ensuring targeted repairs and minimizing downtime.
Our services include:
- ECM/ECU Code Reading & Clearing
- Injector & Fuel Pump Testing
- Compression & Leak-Down Testing
- Live-Data Logging & Analysis
- Charging & Starting System Diagnostics
- Trim/Tilt & Steering Electronics Scans
- Sensor Calibration & Replacement Checks
- NMEA 2000 Network Troubleshooting
- Generator Control Module Diagnostics
- Jet Drive & PWC Control System Scans
Servicing the ENTIRE State of Florida!
Looking for more? Check out our other boat repair services!
Why Choose Poseidon Marine for Marine Diagnosis?
Unrivaled Quality & Expertise Across Florida
Poseidon Marine stands as Florida’s premier boat mechanic service, renowned in Florida for delivering superior boat engine repair and comprehensive marine services. Our team of fully certified, high-quality technicians is trained to work on all boat makes, models, and years—ensuring every repair meets the highest standards. We not only fix problems but provide lasting solutions that keep your vessel running smoothly, making us the best in the region.
Guaranteed Workmanship & Transparent Pricing
We back our service with a solid warranty on every repair, reinforcing our commitment to quality and customer satisfaction. Our pricing is fully transparent—charged by the hour plus parts—so you never face unexpected fees. This clear pricing model, combined with our exceptional workmanship, sets us apart from less reliable, sketchy repair shops in Florida.
24/7 Emergency Support & Fully Mobile Service
With our 24/7 emergency support, Poseidon Marine is always ready when you need us most. Our mobile service units come directly to your location—whether at your dock, marina, or on the water—ensuring prompt, efficient repairs. Serving the entire state of Florida, we deliver on-site expertise that keeps your boat operational and safe.
Trustworthy, Reliable, and Customer-Focused
At Poseidon Marine, trust and reliability are the cornerstones of our brand. We address the industry’s common pain points by offering dependable, top-quality repairs and exceptional customer care. Our friendly, professional team is dedicated to making your experience as seamless as possible—so you can rest assured that your vessel is in the most capable hands in all of Florida.
Poseidon Marine’s certified diagnostic specialists use the latest marine scan tools—backed by transparent “hour-plus-parts” pricing and a workmanship warranty—to deliver precise fault isolation and system health assessments. With both mobile and dockside capabilities, we bring professional, high-quality diagnostic services directly to you anywhere in Florida, ensuring you stay informed and in control of your vessel’s performance.
