Best place in San Diego County to bring your diesel. Only place I trust to work on my truck. Raquel, Pablo, and the rest of the team at Diesel Geeks are top notch!
JI
John Ireton
Dec 23, 2025
5.0
Excellent customer service, excellent diesel technical skills and experience. Also, clean organized facility, easy to get to. All around, excellent experience.
CA
Colleen Atayde
Sep 28, 2025
5.0
They've seen my second gen Dodge Ram three times now (all for different issues) and have done an amazing job every time. Most recently they replaced my injectors, upgraded the lift pump and added a pillar gauge cluster for active fuel pressure monitoring to make sure my fuel pump has good pressure at all times. The installation is flawless and the truck runs great.
They're always busy but they're worth the wait! Bring your diesel truck here.
Diesel Geeks provides complimentary estimates for all our auto and truck repair services.
Do you do pre-purchase inspections?
Our team at Diesel Geeks conducts thorough pre-purchase inspections for vehicles.
Will you repair my fuel system?
Diesel Geeks specializes in fuel system repairs for automobiles and trucks.
Does Diesel Geeks provide free estimates for repairs?
Yes, Diesel Geeks offers complimentary estimates for all auto and truck repair services.
Can Diesel Geeks perform pre-purchase vehicle inspections?
Yes, they conduct thorough pre-purchase inspections for vehicles to help you make an informed decision.
Does Diesel Geeks specialize in fuel system repairs?
Yes, Diesel Geeks specializes in fuel system repairs for automobiles and trucks.
What are the regular business hours for Diesel Geeks?
Diesel Geeks is open Monday through Friday from 8:00 AM to 5:00 PM.
Is Diesel Geeks open on weekends and holidays?
Diesel Geeks is closed on Saturdays and Sundays, but available by appointment only. It is also closed on major holidays like Thanksgiving, Christmas, and New Year's Day.
What types of payment does Diesel Geeks accept?
They accept various payment options including American Express, Apple Pay, Cash, Check, Discover, MasterCard, PayPal, and Visa.
What kinds of services does Diesel Geeks offer?
They provide engine diagnostics, routine vehicle maintenance, fleet automotive services, performance enhancements, custom fabrication and welding, and suspension work.
Which brands does Diesel Geeks service or use?
Diesel Geeks services and uses brands like Thuren Suspensions, Carli Suspensions, Genuine OEM Cummins, and Fleetguard.
What nearby places can customers visit when coming to Diesel Geeks?
Customers visiting Diesel Geeks can check out nearby places such as Circle Air Group airport terminal, ATP Flight School for aviation interests, or Evolution Auto Body for additional automotive services.
Are there nearby transportation options to help customers reach Diesel Geeks?
Yes, nearby transportation options include Circle Air Group airport terminal and services like Sandiego Sunset Transportation limousine and tours, making it convenient for customers traveling by air or seeking local transport.
What other automotive services are available near Diesel Geeks?
Nearby automotive services include Evolution Auto Body for auto body repair, Static Suspension for parts and repairs, and D & R Automotive providing automotive repair and oil changes.
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