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 ...
06/22/2026

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...
06/19/2026

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...
06/19/2026

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 air compressor is essential for a well-equipped shop, just like regular maintenance is for your mid-size commercial...
06/18/2026

This air compressor is essential for a well-equipped shop, just like regular maintenance is for your mid-size commercial vehicles! 🛠️ At The Diesel Doctor, we keep your fleet running smoothly in Bostonia. 🚚 Need expert service? Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or explore services at https://www.thedieseldoctorsd.com/.

When your diesel needs professional attention, trust the experts! Our team is skilled in comprehensive diesel engine rep...
06/15/2026

When your diesel needs professional attention, trust the experts! Our team is skilled in comprehensive diesel engine repair and brake services. We ensure your vehicle is running smoothly and safely. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021, call (619) 749-9286, or learn more at https://www.thedieseldoctorsd.com/. 🛠️⚙️

When your medium-duty truck's engine needs expert attention, don't let it stall your business! 🛠️ Regular maintenance, l...
06/10/2026

When your medium-duty truck's engine needs expert attention, don't let it stall your business! 🛠️ Regular maintenance, like fluid checks and timely repairs shown here, is key to keeping your fleet running smoothly. Trust The Diesel Doctor in Bostonia, California for all your diesel service needs. Visit our website at https://www.thedieseldoctorsd.com/, call us at (619) 749-9286, or stop by 1301 Pepper Dr Suite C, El Cajon, CA 92021. We're here to keep you moving! 🚚💨

The Diesel Doctor is your go-to for expert mid-size commercial vehicle maintenance and repair! 🔧 With decades of experie...
06/10/2026

The Diesel Doctor is your go-to for expert mid-size commercial vehicle maintenance and repair! 🔧 With decades of experience, we keep your fleet running smoothly. Visit us at 1301 Pepper Dr Suite C, El Cajon, CA 92021 or call (619) 749-9286. Learn more at 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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