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Reliable Diesel Engine Diagnostics Near Wright City, MO

Whether you’re dealing with a check engine light or your diesel engine isn’t running as smoothly as it should, JH Diesel can help with our comprehensive and reliable diagnostic services for equipment owners near Wright City, MO, including Lincoln, Warren, and St. Charles counties. Our locally owned and operated team utilizes state-of-the-art computer diagnostic tools and engine-specific software to uncover whatever issues your heavy-duty machinery is dealing with for effective and efficient repairs.

Checking the motherboard of machine

Cutting-Edge Diagnostic Tools

Our in-house diagnostic software reads codes and uncovers problems with engines and components in all types of diesel equipment. For a nominal fee of $150, we’ll hook up to our computers and pinpoint the trouble codes. We have software for:

  • Cummins Insite
  • PACCAR Davie4
  • Detroit Dealer
  • CAT
  • MaxForce
  • And More
engine

Emissions and Wiring Diagnostics

Emissions and wiring issues can be difficult to trace without the right tools and equipment. We use state-of-the-art technology to quickly uncover wiring and emissions problems, accurately pinpoint issues, and provide the proper maintenance. Don’t waste time going down rabbit holes. Give us a call for quick diagnostics.

truck pulling a truck

Comprehensive Services

We specialize in diagnosing various issues affecting diesel engines, semi-trucks, and industrial equipment. Our team of ASE-certified technicians, with eight years of combined truck repair and trucking industry experience, is committed to delivering fast, accurate, and dependable diagnostics for all makes and models. Our expertise covers:

  • Engine Performance Analysis to detect inefficiencies and boost overall performance
  • Electrical System Diagnostics to resolve issues with wiring, batteries, or alternators
  • Fuel System Solutions for addressing problems with fuel pressure, injectors, or pumps
  • Exhaust System Analysis to ensure emissions compliance and optimize functionality
  • Transmission Diagnostics to tackle shifting problems, slipping, or other issues
  • Overall System Health Checks to prevent future failures and maintain peak performance
two people standing next to work truck

Trust the Experts

Partnering with us means opting for a service that values precision and reliability. In addition to our computer hookup fee, there is a $150 diagnostic fee. However, the diagnostic fee is waived if you choose us for repairs.

Contact Us for Diesel Engine Diagnostics

Contact JH Diesel in Wright City, MO for professional diesel engine computer diagnostics to get to the root of your check engine light or operating issues. We use the latest computer software for accurate results and deliver fast and affordable repairs on all types of diesel and heavy equipment in Lincoln, Warren, and St. Charles counties.

24/7 Roadside Repair