# Best engine diagnostics shops in Willis Data as of November 11, 2026. 16 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md). | # | Shop | Neighbourhood | Known for | Score | |---|---|---|---|---| | 1 | [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/) | Willis | Diesel repair, Collision repair, Wheel alignment | 81/100 | | 2 | [Freedom Auto Repair](https://bestautorepairshops.com/houston/freedom-auto-repair/) | Willis | ASE certified technicians, Warranty on repairs, State inspection | 72/100 | | 3 | [ToyoMasters Auto Repair](https://bestautorepairshops.com/houston/toyomasters-auto-repair/) | Willis | Toyota, Chevrolet, BMW | 59/100 | | 4 | [European Auto Service](https://bestautorepairshops.com/houston/european-auto-service-willis/) | Willis | Mercedes-Benz, BMW, ASE certified technicians | 58/100 | | 5 | [Black's Auto & Diesel Service](https://bestautorepairshops.com/houston/blacks-auto-and-diesel-service/) | Willis | ASE certified technicians, Diesel repair, Warranty on repairs | 56/100 | | 6 | [Moore Automotive](https://bestautorepairshops.com/houston/moore-automotive/) | Willis | State inspection, Wheel alignment, Tire service | 54/100 | | 7 | [Aj's Diagnostics LLC Complete Auto Repair (Mobile Mechanic Willis Texas)](https://bestautorepairshops.com/houston/ajs-diagnostics-llc-complete-auto-repair-mobile-mechanic-willis-texas/) | Willis | ASE certified technicians, Diesel repair, Wheel alignment | 49/100 | | 8 | [Rolling Right Car Care Center](https://bestautorepairshops.com/houston/rolling-right-car-care-center/) | Willis | Wheel alignment, Transmission repair, Air conditioning repair | 44/100 | | 9 | [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/) | Willis | Diesel repair, Wheel alignment, Tire service | 42/100 | | 10 | [Maynor JOE AUTO SHOP](https://bestautorepairshops.com/houston/maynor-joe-auto-shop/) | Willis | Transmission repair, Air conditioning repair, Engine diagnostics | 36/100 | | 11 | [Willy's Auto Repair](https://bestautorepairshops.com/houston/willys-auto-repair/) | Willis | Transmission repair, Air conditioning repair, Engine diagnostics | 30/100 | | 12 | [Willis Car Service](https://bestautorepairshops.com/houston/willis-car-service/) | Willis | ASE certified technicians, State inspection, Air conditioning repair | 29/100 | | 13 | [C&J mobile mechanic](https://bestautorepairshops.com/houston/c-and-j-mobile-mechanic/) | Willis | Diesel repair, Engine diagnostics, Brake repair | 29/100 | | 14 | [Zer0 Tech Mobile Repair LLC](https://bestautorepairshops.com/houston/zer0-tech-mobile-repair-llc/) | Willis | Diesel repair, Air conditioning repair, Engine diagnostics | 28/100 | | 15 | [Wms Kar Kare](https://bestautorepairshops.com/houston/wms-kar-kare/) | Willis | Collision repair, State inspection, Wheel alignment | 11/100 | | 16 | [Starr Mobile Mechanics, LLC](https://bestautorepairshops.com/houston/starr-mobile-mechanics-llc/) | Willis | Air conditioning repair, Engine diagnostics, Brake repair | 9/100 | ## 1. [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/) Willis · since 1998 · 4.7 rating from 281 reviews - Review cadence: 25/25 - Review sentiment: 21/25 - Capabilities: 10/25 - Years of experience: 25/25 - Total: 81/100 ## 2. [Freedom Auto Repair](https://bestautorepairshops.com/houston/freedom-auto-repair/) Willis · since 2018 · 4.9 rating from 306 reviews - Review cadence: 25/25 - Review sentiment: 21/25 - Capabilities: 13/25 - Years of experience: 13/25 - Total: 72/100 ## 3. [ToyoMasters Auto Repair](https://bestautorepairshops.com/houston/toyomasters-auto-repair/) Willis · reviewed since at least 2025 · 4.9 rating from 343 reviews - Review cadence: 25/25 - Review sentiment: 20/25 - Capabilities: 14/25 - Years of experience: 0/25 - Total: 59/100 ## 4. [European Auto Service](https://bestautorepairshops.com/houston/european-auto-service-willis/) Willis · reviewed since at least 2026 · 4.8 rating from 320 reviews - Review cadence: 25/25 - Review sentiment: 19/25 - Capabilities: 14/25 - Years of experience: 0/25 - Total: 58/100 ## 5. [Black's Auto & Diesel Service](https://bestautorepairshops.com/houston/blacks-auto-and-diesel-service/) Willis · reviewed since at least 2024 · 4.8 rating from 215 reviews - Review cadence: 21/25 - Review sentiment: 17/25 - Capabilities: 14/25 - Years of experience: 4/25 - Total: 56/100 ## 6. [Moore Automotive](https://bestautorepairshops.com/houston/moore-automotive/) Willis · reviewed since at least 2026 · 4.9 rating from 143 reviews - Review cadence: 25/25 - Review sentiment: 20/25 - Capabilities: 9/25 - Years of experience: 0/25 - Total: 54/100 ## 7. [Aj's Diagnostics LLC Complete Auto Repair (Mobile Mechanic Willis Texas)](https://bestautorepairshops.com/houston/ajs-diagnostics-llc-complete-auto-repair-mobile-mechanic-willis-texas/) Willis · reviewed since 2016 · 4.6 rating from 60 reviews - Review cadence: 10/25 - Review sentiment: 13/25 - Capabilities: 11/25 - Years of experience: 15/25 - Total: 49/100 ## 8. [Rolling Right Car Care Center](https://bestautorepairshops.com/houston/rolling-right-car-care-center/) Willis · reviewed since at least 2024 · 4.7 rating from 154 reviews - Review cadence: 15/25 - Review sentiment: 17/25 - Capabilities: 8/25 - Years of experience: 4/25 - Total: 44/100 ## 9. [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/) Willis · reviewed since 2024 · 5.0 rating from 49 reviews - Review cadence: 10/25 - Review sentiment: 18/25 - Capabilities: 10/25 - Years of experience: 4/25 - Total: 42/100 ## 10. [Maynor JOE AUTO SHOP](https://bestautorepairshops.com/houston/maynor-joe-auto-shop/) Willis · reviewed since 2016 · 4.2 rating from 80 reviews - Review cadence: 9/25 - Review sentiment: 6/25 - Capabilities: 6/25 - Years of experience: 15/25 - Total: 36/100 ## 11. [Willy's Auto Repair](https://bestautorepairshops.com/houston/willys-auto-repair/) Willis · reviewed since 2016 · 4.4 rating from 74 reviews - Review cadence: 0/25 - Review sentiment: 9/25 - Capabilities: 6/25 - Years of experience: 15/25 - Total: 30/100 ## 12. [Willis Car Service](https://bestautorepairshops.com/houston/willis-car-service/) Willis · reviewed since at least 2022 · 4.1 rating from 191 reviews - Review cadence: 8/25 - Review sentiment: 7/25 - Capabilities: 6/25 - Years of experience: 8/25 - Total: 29/100 ## 13. [C&J mobile mechanic](https://bestautorepairshops.com/houston/c-and-j-mobile-mechanic/) Willis · reviewed since at least 2025 · 5.0 rating from 24 reviews - Review cadence: 5/25 - Review sentiment: 17/25 - Capabilities: 5/25 - Years of experience: 2/25 - Total: 29/100 ## 14. [Zer0 Tech Mobile Repair LLC](https://bestautorepairshops.com/houston/zer0-tech-mobile-repair-llc/) Willis · since 2024 · 4.0 rating from 32 reviews - Review cadence: 10/25 - Review sentiment: 8/25 - Capabilities: 6/25 - Years of experience: 4/25 - Total: 28/100 ## 15. [Wms Kar Kare](https://bestautorepairshops.com/houston/wms-kar-kare/) Willis - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 11/25 - Years of experience: 0/25 - Total: 11/100 ## 16. [Starr Mobile Mechanics, LLC](https://bestautorepairshops.com/houston/starr-mobile-mechanics-llc/) Willis · reviewed since 2025 · 4.0 rating from 2 reviews - Review cadence: 1/25 - Review sentiment: 1/25 - Capabilities: 5/25 - Years of experience: 2/25 - Total: 9/100 ## Questions **Which engine diagnostics shop in Willis ranks highest?** [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/), with a score of 81 out of 100. **Which engine diagnostics shop in Willis has the most reviews in the last 12 months?** [ToyoMasters Auto Repair](https://bestautorepairshops.com/houston/toyomasters-auto-repair/), with 80+ reviews in the last 12 months. **Which engine diagnostics shop in Willis has the highest Google rating?** [JB Automotive & Performance](https://bestautorepairshops.com/houston/jb-automotive-and-performance/), rated 5.0 from 49 reviews. **Which engine diagnostics shop in Willis has been open the longest?** [Elliott's Auto Repair & Diesel Specialist](https://bestautorepairshops.com/houston/elliotts-auto-repair-and-diesel-specialist/), founded in 1998, going by the year it states itself. **How many shops does this ranking include?** 16 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.