Duncan Ag and Auto Repair

05/21/2026

Thank you for supporting our local business. We appreciate all our customers!

04/07/2026

Are your springs sprung? Spring on into Duncan repair this Spring for all your automotive repairs.
3/4 ton pickup leaf spring replacement

03/05/2026

Retrofitting from CP4 to CP3 injection pump into 6.6 Duramax

11/11/2025

09/20/2025

Duramax showing DEF codes. Removed Tank. Verified DEF quality. Cleaned electrical connectors. Performed Service REGEN and calibrated sensors. Issue resolved. "

09/03/2025

Chevy traverse spark plug replacement.

We can do automotive tune-up and more. We have a lift bay and 4 other bays in our shop.

Master certified technician with almost 30 years of experience.

08/03/2025

2018 Silverado fuel pump replacement. We work on automotive, diesel and gas. 30 years experience, Master tech certified, family owned business.

07/15/2025

Certified Diesel Mobile and Shop Repair. Mechanical, Air Conditioning, Electronics, Welding. Over 30 years experience.

06/30/2025

3/4 ton duramax goes up on the lift. Bring in your automotive needs today!

05/12/2025

The lift is up, and we can service automotive needs.

Certified Diesel Mobile and Shop Repair. Mechanical, Air Conditioning, Electronics, Welding. Over 30 years experience.