Diesel Engine Repair Service Near Petaluma, CA

Santa Rosa Diesel, Inc. has been serving Petaluma, CA, drivers and fleets with expert diesel engine repair service since 1971. Whether your work truck moves freight along the US-101 corridor or your light-duty pickup hauls materials across Sonoma County, keeping your diesel engine running is not optional. Call Santa Rosa Diesel, Inc. at (707) 584-9743 to schedule diesel engine repair service in Petaluma, CA, today.

a close-up of a mechanic's gloved hands working on a car engine with the hood open.

Diesel Engine & Fuel System Repair Serving Petaluma

Petaluma drivers and fleet operators get comprehensive diesel engine repair service from a shop with more than 50 years of hands-on experience. Santa Rosa Diesel, Inc. specializes in Diesel Fuel Engine Repair, Truck Diesel Engine Repair, and full fuel system rebuilding for light-duty to medium-duty vehicles. Injectors, fuel pumps, and turbochargers are handled entirely in-house for faster turnaround without outside vendors.


Services available to Petaluma and Sonoma County drivers include diesel engine diagnostics and repair, fuel injector repair and replacement, fuel pump rebuilding and testing, turbocharger inspection and rebuild, brake and suspension repair, and lube, oil, and filter maintenance.


Petaluma sits along the busy US-101 corridor, with commercial and agricultural vehicles traveling daily toward Santa Rosa, Novato, and Marin County. The shop's onsite diagnostics and diesel engine rebuilding capabilities help minimize costly downtime.

What Diesel Truck Brands Do We Service Near Petaluma?

Santa Rosa Diesel, Inc. services most major diesel platforms, including Cummins, Duramax, and Powerstroke engines. Light-duty diesel pickups, SUVs, and vans are also handled through the diesel vehicle repair program. ASE-certified master technicians perform Diesel Fuel Engine Repair and Truck Diesel Engine Repair across all makes and models.

How the Repair Process Works

  1. Call (707) 584-9743 or contact the shop to schedule your appointment.
  2. Technicians perform onsite diagnostics, including injector, fuel pump, and turbocharger testing.
  3. The team identifies the issue and reviews repair options with you.
  4. Repairs are completed in-house using manufacturer specifications.
  5. Your vehicle is tested before return to confirm it is running properly.

Frequently Asked Questions

  • How Far Is Santa Rosa Diesel From Petaluma?

    Complete Overhaul, Rebuild, or Remanufacture (Return in a Condition As Good As That of New)

    1. Complete disassembly of unit and component sub-assemblies.

    2. Thoroughly clean and closely inspect all usable parts.

    3. Reassemble these parts to the unit, provided the parts meet the manufacturer's requirements. Missing, worn, or broken parts will be replaced.

    4. All repairs will be done in accordance with the original equipment manufacturer's specifications, recommendations, and procedures.

    5. Test sub-assemblies and complete assembly with the prescribed test equipment in accordance with the original manufacturer's test recommendations.

    6. This classification of repair carries the repair station's standard warranty.

  • Do You Service Diesel Trucks Used for Agricultural or Commercial Work?

    Necessary Minor Repairs

    1. Repairs of defects to a sub-assembly and/or complete assembly, as designated by the customer or noted by the service shop after a visual inspection.

    2. Test unit and sub-assembly according to manufacturer's recommendations and report findings to the customer.

    3. Under the warranty period, the repair station alone is responsible for that portion of repair work it was instructed to perform.

  • Can You Repair My Diesel Fuel Injection System?

    Yes. Onsite diagnostics allow the team to test injectors, fuel pumps, and turbochargers in-house for faster, more accurate fuel system repairs.

  • What Makes Santa Rosa Diesel Different From Other Shops?

    Santa Rosa Diesel, Inc. has over 125 years of combined technician experience and has served the North Bay since 1971. The in-house machine shop, onsite diagnostics, and factory-certified staff set it apart from general repair shops. See what customers are saying at Santa Rosa Diesel, Inc.

Reach Out to Schedule Your Diesel Repair


Petaluma drivers and Sonoma County fleet operators do not have to settle for long dealership wait times. Santa Rosa Diesel, Inc. provides experienced, efficient diesel engine repair service backed by in-house diagnostics and repair capabilities. Call (707) 584-9743 or visit the shop to get your diesel vehicle back on the road.