Diesel Engine Diagnostics
in Putnam County
State-of-the-art computer diagnostics and engine analysis for commercial vehicles throughout Brewster, Carmel, Mahopac, and the Hudson Valley region.
Check Engine Light On I-84?
Warning lights, poor performance, or strange engine behavior? Our advanced diagnostic equipment pinpoints problems quickly to get you back on the road throughout Putnam County.
Computer Scan
Read fault codes and live data from engine control modules on-site
Performance Testing
Compression testing and fuel system analysis to identify root causes
Quick Results
Accurate diagnosis within 30-60 minutes to minimize downtime
Complete Diesel Engine Diagnostics
Professional diagnostic equipment and expertise for all commercial diesel engines
Computer Diagnostics
Advanced diagnostic scanners read fault codes, live data, and performance parameters from all major diesel engine brands.
ECM Fault Code Reading
Read active and stored fault codes from engine control modules
Live Data Analysis
Monitor real-time engine parameters while running
Sensor Testing
Test individual sensors and actuators for proper operation
DPF & Emissions Testing
Diagnose diesel particulate filter and emissions system issues
Engine Performance Testing
Comprehensive mechanical testing to identify internal engine problems and verify repair quality.
Cylinder Compression Testing
Measure cylinder compression to identify worn rings, valves, or head gaskets
Fuel System Analysis
Test fuel pressure, injection timing, and injector performance
Turbocharger Testing
Test boost pressure and turbocharger performance
Oil Analysis
Engine oil analysis to detect internal wear and contamination
Engine Brands We Diagnose in Putnam County
Professional diagnostics for all major commercial diesel engines
Cummins Engines
Complete diagnostic capabilities for all Cummins ISX, ISM, ISL, and ISB engines common in the Hudson Valley.
- • ISX15 and ISX12 diagnostics
- • ISM and ISL engine analysis
- • ISB 6.7L testing
- • Cummins INSITE software
Caterpillar Engines
Advanced diagnostics for Caterpillar C15, C13, C12, and ACERT engines serving Brewster area fleets.
- • C15 and C13 ACERT systems
- • C12 and C7 diagnostics
- • Cat ET diagnostic software
- • HEUI fuel system testing
Detroit Diesel
Expert diagnostics for Detroit Diesel DD15, DD13, and Series 60 engines in Carmel and Mahopac fleets.
- • DD15 and DD13 diagnostics
- • Series 60 testing
- • Detroit Diesel Diagnostic Link
- • BlueTec emissions diagnostics
International/Navistar
Comprehensive diagnostics for International MaxxForce and Navistar engines common in Putnam County.
- • MaxxForce DT, 9, and 10
- • VT365 and VT275 diagnostics
- • International Service Maxx
- • EGR system analysis
Volvo/Mack Engines
Professional diagnostics for Volvo D13 and Mack MP engines serving I-84 corridor.
- • Volvo D13 and D11 engines
- • Mack MP7 and MP8 diagnostics
- • Volvo VCADS software
- • SCR and DPF system testing
Paccar Engines
Expert diagnostics for Paccar MX-13 and MX-11 engines in Peterbilt and Kenworth trucks.
- • MX-13 and MX-11 diagnostics
- • Paccar Davie software
- • PACCAR Engine diagnostic tools
- • Advanced emissions testing
Common Engine Problems We Diagnose in the Hudson Valley
Local driving conditions create specific diagnostic challenges in Putnam County
DPF & Emissions Issues
Stop-and-go traffic on I-84 and local routes prevents proper DPF regeneration, causing warning lights.
- • DPF full warning lights
- • Forced regeneration needed
- • EGR valve problems
- • SCR system malfunctions
Cold Weather Starting
New York winters create diagnostic challenges with cold start systems and fuel gelling issues.
- • Glow plug system failures
- • Fuel heater problems
- • Cold start sensor issues
- • Block heater diagnostics
High-Mileage Problems
Commercial vehicles in the NYC metro area develop specific high-mileage diagnostic patterns.
- • Turbocharger wear patterns
- • Fuel injector problems
- • Sensor degradation
- • Oil consumption analysis
Mobile Diagnostic Service Areas
On-site engine diagnostics throughout Putnam County and surrounding areas
Brewster, NY
Our home base - fastest diagnostic response
- • I-84 roadside diagnostics
- • Route 22 commercial access
- • 5-minute response time
Carmel, NY
County government fleet diagnostics
- • Municipal vehicle diagnostics
- • Route 6 corridor coverage
- • 15-minute response time
Mahopac, NY
Lake area construction fleet diagnostics
- • Heavy equipment diagnostics
- • Contractor fleet service
- • 20-minute response time
Highway Diagnostic Service
Emergency diagnostics on major routes
- • I-84 emergency diagnostics
- • Check engine light service
- • Mobile fault code reading
Westchester County
Extended diagnostic coverage
- • Peekskill, Yorktown area
- • Route 9 corridor service
- • 30-45 minute response
Fairfield County, CT
Cross-border diagnostic service
- • Danbury, Bethel area
- • I-84 diagnostic service
- • 25-40 minute response
Why Choose Diesel Done for Engine Diagnostics?
Latest Equipment
State-of-the-art diagnostic scanners for all major engine brands
Fast Results
Accurate diagnosis within 30-60 minutes to minimize downtime
Expert Technicians
Factory-trained diagnosticians with decades of experience
Mobile Service
On-site diagnostics at your location throughout Putnam County
Related Engine Services
Complete engine repair services following accurate diagnosis
Complete Engine Repair
Full engine repair and rebuild services based on diagnostic findings
Emergency Diagnostics
24/7 roadside diagnostic service for highway breakdowns
Fleet Diagnostic Programs
Scheduled diagnostic services for commercial fleets
Don't Guess - Get Professional Diagnostics
Save time and money with accurate engine diagnostics. Our expert technicians use advanced equipment to identify problems quickly and recommend the right repairs.
Serving Putnam County • Westchester • Fairfield • Mobile Diagnostics Available