230 NY-109, Farmingdale, NY 11735
Truck Diesel Repair Backed by a 5-Year / 60K-Mile Warranty
Common Diesel Engine Problems and Warning Signs
When your diesel truck starts losing power, producing smoke, or idling rough, it’s time for a professional inspection. Ignoring early warning signs can lead to costly breakdowns and extended downtime.
Watch for these common diesel repair issues:
- Hard starting or long crank times
- Loss of power or poor acceleration
- Excessive exhaust smoke (black, white, or blue)
- Engine misfires or rough idle
- Fuel leaks or clogged injectors
- Check engine light or low fuel pressure warning
If you notice any of these signs, schedule a diesel repair service as soon as possible. Our diesel mechanics use OEM-level diagnostics to pinpoint the cause and restore peak performance fast.
Diesel Repair & Service Options
Our Diesel Repair Services Include:
Diesel engines are powerful, reliable, and built to last but only when they’re maintained correctly. Our certified diesel mechanics provide full-service diagnostics, maintenance, and repairs for all diesel truck makes and models, including Freightliner, Volvo, Ford, and Mercedes-Benz.
This Service Includes:
- Diesel engine diagnostics and performance testing
- Fuel system repair and injector cleaning
- Turbocharger inspection and replacement
- EGR and DPF cleaning or replacement
- Oil and filter changes with high-grade diesel lubricants
- Cooling system and radiator repair
- Glow plug and ignition system service
- Exhaust and emission system repair
Our diesel repair specialists use advanced diagnostic tools and manufacturer-approved parts to ensure every repair meets OEM standards. Whether it’s a light-duty pickup or a heavy-duty commercial truck, we deliver fast, reliable results backed by an up to 5-year / 60K-mile warranty.
Fleet Diesel Services
Reliable Fleet Maintenance and Diesel Repair Solutions
Keep your fleet on the road with consistent maintenance and expert diesel repairs. Our certified technicians handle everything from oil changes to complex engine diagnostics, helping you avoid breakdowns and downtime.
Fleet services include:
- Scheduled diesel maintenance and inspection programs
- Fleet diagnostics for power loss, emissions, and fuel systems
- Priority booking and flexible scheduling
- Unit-by-unit service records and maintenance tracking.
- DOT and NYS inspection coordination
- Free pick-up and drop-off within 10 miles
Our fleet diesel repair service keeps your vehicles compliant, efficient, and dependable. Whether you manage two trucks or twenty, we create a maintenance plan that fits your schedule and keeps your operations running smoothly.
Long Island’s Trusted Diesel Repair Shop
Family owned and operated for more than 30 years, our repair shop has earned the trust of drivers and fleet operators across Farmingdale and Long Island. We take pride in providing honest recommendations, transparent pricing, and dependable diesel repairs that keep your truck performing at its best.
Why Drivers Choose TLC Auto & Truck Repair
- Official NYS Inspection Station
- Up to 5-Year / 60K-Mile Warranty on Parts & Repairs
- Certified Diesel Mechanics with Advanced Diagnostic Tools
- Free Pick Up & Drop Off Within 10 Miles
- Early and Late Drop-Off Options
- Fleet-Friendly Scheduling and Maintenance Plans
Whether you drive a single work truck or manage a commercial fleet, our goal is simple: to keep your diesel engines running strong, safe, and efficient on every job.
