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Diesel Service

Diesel Engine Diagnostics

Computerized diagnostics that pinpoint problems fast.

When a check-engine light comes on or your truck loses power, guessing is expensive. Our computerized diesel diagnostics read fault codes, test live sensor data, and trace problems to the root cause so the repair is right the first time. We work on Cummins, Detroit Diesel, PACCAR, Volvo, Mack, Power Stroke and Duramax powertrains.

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What's Included

  • Full ECM fault-code scans and live data analysis
  • Sensor, injector and turbocharger testing
  • Aftertreatment (DPF, SCR, DEF) fault diagnosis
  • Fuel system pressure and delivery testing
  • Performance and drivability troubleshooting
  • Written diagnostic report with repair recommendations
When You Need It

Signs You Need This Service

01

Check-Engine or Warning Lights

Active fault codes or derate warnings that need to be read and interpreted correctly.

02

Loss of Power or Poor Fuel Economy

Sudden drops in power, hard starts, or rising fuel costs usually point to a diagnosable fault.

03

Excessive Smoke or Rough Idle

Black, white or blue smoke and rough running are symptoms worth diagnosing before they get worse.

Why MR. T

The MR. T Difference

  • Dealer-level diagnostic tooling for all major engine brands
  • Root-cause diagnosis, not parts-cannon guessing
  • Clear written estimate before any repair begins

Frequently Asked

Keep Your Trucks Moving. Talk To Us Today.

Request service online or call our dispatch line now. Certified diesel techs are standing by 24/7.

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