# #1017 in Houston: Aj's Diagnostics LLC Complete Auto Repair (Mobile Mechanic Willis Texas)

Willis · reviewed since 2016 · 4.6 rating from 60 reviews

Score: 49/100. Data as of November 11, 2026. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md).

## Contact

- Address: 13574 FM Rd 2432, Willis, TX 77378
- Phone: [(936) 323-5617](tel:+19363235617)
- Website: https://www.ajsautorepairllc.com/
- Google profile: https://maps.google.com/?cid=16909072470245699920

### Hours

| Day | Hours |
|---|---|
| Monday | 9 AM to 8 PM |
| Tuesday | 9 AM to 8 PM |
| Wednesday | 9 AM to 8 PM |
| Thursday | 9 AM to 8 PM |
| Friday | 9 AM to 8 PM |
| Saturday | 9 AM to 5 PM |
| Sunday | 9 AM to 5 PM |

## Score breakdown

| Score | Points | Detail |
|---|---|---|
| Review cadence | 10/25 | 12 reviews in the last 12 months, in 6 of 12 months |
| Review sentiment | 13/25 | Rated 4.6 from 60 reviews; 100% of last-12-month reviews at 4-5 stars; 14 reviews say the work was done right, 2 say it failed; 21 call the price fair or the shop honest, 4 say it overcharged or was dishonest; 8 say the shop kept them informed, 2 say it left them without answers |
| Capabilities | 11/25 | 9 of 20 checklist items |
| Years of experience | 15/25 | Reviewed since 2016; no founding year found |
| Total | 49/100 | |

## Checklist: 9 of 20 items found

### Services

- [x] Oil change: Google profile
- [x] Brake repair: Google profile
- [x] Transmission repair: Google profile
- [x] Air conditioning repair: Google profile
- [x] Engine diagnostics: Google profile
- [x] Wheel alignment: Google profile
- [x] Tire service: Google profile
- [ ] State inspection: not found
- [x] Diesel repair: Google profile
- [ ] Collision repair: not found

### Makes

- [ ] Ford: not found
- [ ] Chevrolet: not found
- [ ] Toyota: not found
- [ ] BMW: not found
- [ ] Mercedes-Benz: not found

### Certifications

- [x] ASE certified technicians: website
- [ ] AAA Approved Auto Repair: not found

### Amenities

- [ ] Warranty on repairs: not found
- [ ] Shuttle or loaner car: not found
- [ ] Towing: not found

## What customers say

Too few reviews to summarise.

## Where it ranks

- [#1017 of 7344: Best auto repair shops in Houston](https://bestautorepairshops.com/houston/page/51/#rank-1017)
- [#7 of 22: Best auto repair shops in Willis](https://bestautorepairshops.com/houston/willis/#rank-7)
- [#955 of 5574: Best oil change shops in Houston](https://bestautorepairshops.com/houston/oil-change/page/48/#rank-955)
- [#942 of 4243: Best brake repair shops in Houston](https://bestautorepairshops.com/houston/brakes/page/48/#rank-942)
- [#752 of 3173: Best transmission repair shops in Houston](https://bestautorepairshops.com/houston/transmission/page/38/#rank-752)
- [#890 of 3619: Best air conditioning repair shops in Houston](https://bestautorepairshops.com/houston/ac-repair/page/45/#rank-890)
- [#880 of 3695: Best engine diagnostics shops in Houston](https://bestautorepairshops.com/houston/engine-diagnostics/page/44/#rank-880)
- [#746 of 1938: Best wheel alignment shops in Houston](https://bestautorepairshops.com/houston/wheel-alignment/page/38/#rank-746)
- [#706 of 2321: Best tire service shops in Houston](https://bestautorepairshops.com/houston/tires/page/36/#rank-706)
- [#233 of 684: Best diesel repair shops in Houston](https://bestautorepairshops.com/houston/diesel/page/12/#rank-233)
- [#7 of 18: Best oil change shops in Willis](https://bestautorepairshops.com/houston/willis/oil-change/#rank-7)
- [#7 of 16: Best brake repair shops in Willis](https://bestautorepairshops.com/houston/willis/brakes/#rank-7)
- [#5 of 11: Best transmission repair shops in Willis](https://bestautorepairshops.com/houston/willis/transmission/#rank-5)
- [#7 of 15: Best air conditioning repair shops in Willis](https://bestautorepairshops.com/houston/willis/ac-repair/#rank-7)
- [#7 of 16: Best engine diagnostics shops in Willis](https://bestautorepairshops.com/houston/willis/engine-diagnostics/#rank-7)
- [#6 of 9: Best wheel alignment shops in Willis](https://bestautorepairshops.com/houston/willis/wheel-alignment/#rank-6)
- [#6 of 8: Best tire service shops in Willis](https://bestautorepairshops.com/houston/willis/tires/#rank-6)
- [#3 of 6: Best diesel repair shops in Willis](https://bestautorepairshops.com/houston/willis/diesel/#rank-3)

## Nearby shops

- [Monica's Truck Repair (Mobile Mechanic)](https://bestautorepairshops.com/houston/monicas-truck-repair-mobile-mechanic/): Willis, 3/100
- [Black's Auto & Diesel Service](https://bestautorepairshops.com/houston/blacks-auto-and-diesel-service/): Willis, 56/100
- [Lone Star Fabrication](https://bestautorepairshops.com/houston/lone-star-fabrication/): Willis, 15/100
- [Maynor JOE AUTO SHOP](https://bestautorepairshops.com/houston/maynor-joe-auto-shop/): Willis, 36/100
- [Willis Car Service](https://bestautorepairshops.com/houston/willis-car-service/): Willis, 29/100