We provide professional repair services for both diesel and natural gas generator engines. Whether it’s performance issues or complete failure, we diagnose and repair problems accurately to restore reliable operation.
• Diesel engine repair and troubleshooting
• Natural gas engine repair
• Fuel system diagnostics and repair
• Cooling system inspection and repair
• Air intake and exhaust system checks
• Electrical and control system support
What We Offer
Why Proper Engine Repair Matters
Generator engines require precise diagnosis and repair to ensure safe and reliable performance. Improper repairs can lead to recurring issues, reduced efficiency, and unexpected failures.
We focus on accurate repairs to keep your system operating correctly long-term.
Common Engine Problems We Repair
-
Hard starting or no start
-
Engine misfires or rough operation
-
Fuel delivery issues
-
Overheating
-
Loss of power
-
Excessive smoke or emissions
Why Choose On Watch
Veteran Owned & Operated
24/7 Emergency Service
Residential & Commercial
Experienced Technician(s)
Service Area
Generator Service in MD, DC, VA & PA
On Watch delivers quick, dependable generator solutions for residential and commercial clients throughout Maryland, DC, Northern Virginia, and South-Central Pennsylvania.
- Maryland • Washington, DC • Northern Virginia • South-Central Pennsylvania
Rapid backup power support for homes and local businesses