The Diesel Doctor

The Diesel Doctor Been in business since 1980. Automotive repair shop in El Cajon specializing in diesel repair, and any other automotive repairs. Opened up Diesel Doctor in 1981.

I have finished Diesel School in 1980. First it was mobile for 5 years then I opened the shop for ten years. And went back to be mobile ever since. I have worked with both gasoline and diesel engines, all small engine diesels from marine to transport trucks, automotive. Now specialized in Fords, Chevys and Dodges, emergency equipment, fleets and privately own vehicles. Familiar with MTS Inspections and CHP inspections. I carry ASE, Brake and Light Certificates, Just finished GM tech class.

Quality parts are key to reliable diesel performance! 🛠️ From oil and brake systems to keeping your mid-size commercial ...
06/05/2026

Quality parts are key to reliable diesel performance! 🛠️ From oil and brake systems to keeping your mid-size commercial trucks running smoothly, The Diesel Doctor in Bostonia, CA has you covered. We specialize in diesel mechanical repairs for medium-duty commercial trucks. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or find out more at https://www.thedieseldoctorsd.com/.

Keeping your mid-size commercial vehicles running smoothly is essential for your business! 🚚 At The Diesel Doctor in Bos...
06/04/2026

Keeping your mid-size commercial vehicles running smoothly is essential for your business! 🚚 At The Diesel Doctor in Bostonia, we specialize in expert diesel mechanical repairs, including vital oil and brake services. 🛠️ Trust our experienced technicians to keep your medium-duty trucks in top condition. Call us at (619) 749-9286 or visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021. Learn more at https://www.thedieseldoctorsd.com/

Keep your medium-duty trucks running smoothly! 🛠️ Regular maintenance is key to preventing costly breakdowns. Don't wait...
06/03/2026

Keep your medium-duty trucks running smoothly! 🛠️ Regular maintenance is key to preventing costly breakdowns. Don't wait for problems to arise. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or check out https://www.thedieseldoctorsd.com/. 🚚

This image captures the organized dedication behind every service at The Diesel Doctor. 🧠 Precision in every detail, fro...
05/25/2026

This image captures the organized dedication behind every service at The Diesel Doctor. 🧠 Precision in every detail, from meticulous records to expert repairs. We specialize in comprehensive diesel oil and brake services to keep your vehicle running smoothly and safely in Bostonia, CA. For top-notch service, visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021 or call (619) 749-9286. 🔧

When your diesel truck is more than just a vehicle, it's a partner in your life, trust its care to the experts. 🛠️ Keepi...
05/24/2026

When your diesel truck is more than just a vehicle, it's a partner in your life, trust its care to the experts. 🛠️ Keeping Bostonia's diesel engines running strong is our mission. For expert diesel mechanical repairs, visit The Diesel Doctor at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call us at (619) 749-9286 or explore our services at https://www.thedieseldoctorsd.com/. 🐶

Keep your mid-size commercial vehicles running strong! 💪 Regular maintenance, especially for diesel oil and brakes, is k...
05/23/2026

Keep your mid-size commercial vehicles running strong! 💪 Regular maintenance, especially for diesel oil and brakes, is key to preventing costly downtime. For expert diesel repairs in Bostonia, California, trust The Diesel Doctor. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or learn more at www.thedieseldoctorsd.com. 🛠️

Precision repairs for your mid-size commercial vehicles and medium-duty trucks are our specialty! 🛠️ From diesel mechani...
05/22/2026

Precision repairs for your mid-size commercial vehicles and medium-duty trucks are our specialty! 🛠️ From diesel mechanical work to oil and brake services, we keep your fleet running smoothly. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or explore our services at https://www.thedieseldoctorsd.com/. 🚚

Is your mid-size commercial vehicle in need of expert attention? 🛠️ At The Diesel Doctor in Bostonia, CA, we specialize ...
05/21/2026

Is your mid-size commercial vehicle in need of expert attention? 🛠️ At The Diesel Doctor in Bostonia, CA, we specialize in keeping your fleet running smoothly with comprehensive diesel engine services. Trust our experienced technicians to diagnose and repair any issue. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or learn more on our website https://www.thedieseldoctorsd.com/! 🚚

Address

1301 Pepper Drive Suite C
El Cajon, CA
92021

Opening Hours

Monday 7:30am - 4:30pm
Tuesday 7:30am - 4:30pm
Wednesday 7:30am - 4:30pm
Thursday 7:30am - 4:30pm
Friday 7:30am - 4:30pm

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