Diesel Diagnostics

Diesel diagnostic scan tool on a heavy-duty truck

Houston Diesel Diagnostic Experts

Find the Problem Fast. Fix It Right the First Time.

Check engine light, low power, rough idle, smoke or a no-start: guessing gets expensive. Whitty’z runs the latest, most advanced diesel diagnostic equipment to pinpoint the real cause on Ford Power Stroke, Chevy/GMC Duramax and Dodge/Ram Cummins trucks before we touch a wrench.

  • Dealer-level scan tools for Ford, GM and Ram diesel platforms
  • Live data, injector balance rates and fuel pressure testing
  • Turbo, boost leak and EGR/DPF system testing
  • Electrical and sensor diagnostics
  • Clear findings and a written estimate before any work starts

Ford Power StrokeChevy / GMC DuramaxDodge / Ram Cummins