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?

    Santa Rosa Diesel, Inc. is located in Santa Rosa, CA, roughly 15 miles north of Petaluma via US-101, making it a practical choice for Petaluma-area drivers and fleet operators.

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

    Yes. The team is experienced with the diesel trucks common to Sonoma County's agricultural and construction industries and serves both individual and fleet clients.

  • 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.

Diesel Engine Repair Service for Petaluma and Sonoma County Drivers

SR Diesel provides comprehensive diesel engine repair service covering diagnostics, fuel system service, and engine repair for light-duty and medium-duty vehicles. Petaluma sits at the heart of the US-101 corridor, positioned between Santa Rosa to the north and Novato and Marin County to the south. Commercial vehicles, agricultural trucks, and contractor fleets travel this stretch daily, and a diesel engine problem can mean lost time, lost loads, and lost revenue. As a diesel engine repair shop that keeps all diagnostic and repair work in-house, SR Diesel can often return vehicles to service faster than dealerships or shops that outsource.


Services available for Petaluma-area vehicles include fuel injector testing and replacement, injection pump rebuilding, turbocharger inspection and rebuild, diesel engine diagnostics and fault code analysis, lube oil and preventive maintenance, brake inspection, and suspension and steering service.


Visit the diesel engine rebuild page to learn more about in-house fuel system rebuilding. Read what Sonoma County customers say on the diesel repair reviews page.

Diesel Fuel System and Injection Service

Fuel system faults are among the most common reasons a vehicle needs diesel engine repair service, showing up as power loss, rough running, and excessive smoke. SR Diesel handles truck diesel engine repair from end to end, covering injection pump rebuilding, injector flow testing, and high-pressure fuel system diagnosis. Every diesel fuel engine repair uses components tested and rebuilt on-site, which means faster turnaround and greater confidence in the finished work.

An injection system that loses calibration or develops internal wear can reduce fuel economy, cut power, and cause long-term engine damage. Early diagnosis typically reduces total repair costs and prevents secondary damage. That track record with commercial customers is reflected in reviews on Santa Rosa Diesel Injection Sales & Service.

How SR Diesel Approaches Every Diesel Engine Repair

SR Diesel follows a clear process on every job. Call (707) 584-9743 or submit a service request online to describe the vehicle and symptom. Drop off the vehicle at the Santa Rosa facility, where every diesel engine repair service begins with an in-house diagnostic evaluation of the fuel system, injectors, turbo, and engine systems. The team identifies the root cause and communicates what the repair involves before work begins. All repair and rebuild work is completed on-site using quality components and manufacturer-standard procedures, and the vehicle is tested before it leaves the shop.


SR Diesel also services diesel-powered cars and light-duty vehicles. See the diesel vehicle repair page for details.

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.