Turbocharger Service & Repair
Lost power, a whistling turbo, or blue smoke? Your turbocharger is where diesel performance lives — we diagnose it properly and get your boost back.
What your turbo does
A turbocharger forces extra air into the engine so it can burn more fuel and make more power — it’s central to how a modern diesel produces its torque and stays efficient. When a turbo starts to fail, you feel it immediately: sluggish acceleration, worse fuel economy, and smoke. Left alone, a failing turbo can send debris downstream and cause much more expensive damage.
Signs of turbocharger trouble
- Loss of power or noticeable turbo lag
- Whining or whistling that rises with engine speed
- Blue or black smoke from the exhaust (burning oil or over-fueling)
- Excess oil consumption or oil in the intake
- A boost-related check-engine code or a power derate
Our turbocharger service
- Diagnose — we pinpoint whether it’s the turbo, the actuator, oil supply, or a boost leak.
- Service or repair — cleaning, actuator/wastegate work, and seal or component repair where practical.
- Replace when needed — a quality replacement turbo when the unit is past saving, plus the root-cause fix.
- Verify — we confirm boost is back to spec before it leaves the shop.
A turbo rarely fails for no reason — oil starvation, a clogged filter, or a boost leak is often the real culprit. We fix the cause, not just the symptom, so the new turbo doesn’t fail the same way.
Warranty coverage is set with your service advisor at the time of service.
Why Modern Diesel
A Christian, veteran-owned shop serving the Greater Austin Area (Travis, Bastrop, Williamson, Hays). Straight diagnostics, quality parts, and fast turnarounds — call to get your boost back.
Ready when you are.
Drop by the shop at 2900 FM 973, Austin, TX 78725 or call and we’ll get you scheduled.

