At Pit Shop Auto Repair, located in Fairfield, CA, we specialize in diesel engine repair and heavy-duty vehicle service that most general shops simply won't touch. Whether you drive a Cummins-powered pickup, a Duramax work truck, or manage a commercial fleet, our award-winning shop has the experience and equipment to keep your diesel running strong. Call us at
(707) 580-5132 to schedule an inspection.
Diesel Engines We Service and Repair
Not every shop works on diesel, but at Pit Shop Auto Repair, diesel repair is one of our core specialties. Our owner, an ASE Master Certified technician with nearly 30 years of experience, is trained on a wide range of diesel platforms, including the following:
- Cummins
- Ford Power Stroke
- GM Duramax
- Navistar
- And other diesel motors
From diesel diagnostics and fuel system repairs to injector service and turbocharger work, we handle it all under one roof. No sending you elsewhere, no guessing games.
Heavy-Duty Repair for Trucks and Commercial Vehicles
Heavy-duty vehicles put enormous stress on every major component, and they need a shop that understands that workload. At Pit Shop, we perform heavy-duty engine repair, transmission service, and drivetrain work on trucks and commercial vehicles built to haul, tow, and work hard every day.
Rather than automatically recommending a replacement, we take the time to assess whether a repair can save you hundreds of dollars. That honest, practical approach is part of what earned us the 2026 Best Mechanic Award and what keeps our customers coming back year after year.
Fleet Maintenance and Commercial Service Accounts
If your business depends on a fleet of diesel or heavy-duty vehicles, downtime costs you money. Pit Shop Auto Repair offers fleet maintenance and commercial fleet repair services designed to keep your vehicles on the road and your operation moving. We work with businesses across Solano County to provide scheduled maintenance, diagnostics, and repairs that minimize disruptions and protect your investment.
Our "Quality Before Quantity" philosophy means we focus on doing the job right rather than rushing through the service list. Fleet managers trust us because we treat every vehicle as if it were our own.
Frequently Asked Questions About Diesel and Heavy-Duty Repair
How much does diesel engine repair cost in Fairfield, CA?
Diesel repair costs vary depending on the issue, the engine type, and the parts required. We provide honest estimates upfront so you always know what to expect before work begins.
Does the pit shop work on Cummins and Duramax engines?
Yes, we service and repair Cummins, Duramax, Power Stroke, Navistar, and other diesel engines. Our technician has hands-on experience with all major diesel platforms.
Can you service commercial fleet vehicles?
Absolutely, we welcome commercial fleet accounts and can set up scheduled maintenance programs. Call us at (707) 580-5132 to discuss your fleet's needs.
What are common warning signs of diesel engine problems?
Black or white smoke, rough idling, loss of power, and hard starts are all signals that your diesel needs attention. Catching problems early prevents much more expensive repairs down the road.
Diesel and Fleet Repair Throughout Solano County and Beyond
Benicia, CA
Cordelia, CA
Dixon, CA
Fairfield, CA
Suisun City, CA
Vacaville, CA
Vallejo, CA
Your Diesel Deserves a Shop That Knows What It's Doing
Pit Shop Auto Repair in Fairfield, CA, has been the trusted choice for diesel and heavy-duty repair since 1996, backed by ASE Master Certification and nearly three decades of real-world experience. We don't cut corners, and we don't recommend work you don't need.
Call us at (707) 580-5132 or click below to get your diesel or fleet vehicle in the hands of a technician who truly knows the work.
