# Best engine diagnostics shops in Houston 77040

Data as of November 11, 2026. 14 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 | [Cox Auto Repair C.A.R.](https://bestautorepairshops.com/houston/cox-auto-repair-c-a-r/) | Houston 77040 | Collision repair, Wheel alignment, Tire service | 53/100 |
| 2 | [Ace Auto Repair & More LLC](https://bestautorepairshops.com/houston/ace-auto-repair-and-more-llc/) | Houston 77040 | Wheel alignment, Tire service, Transmission repair | 46/100 |
| 3 | [EFI Auto Services](https://bestautorepairshops.com/houston/efi-auto-services/) | Houston 77040 | Wheel alignment, Transmission repair, Air conditioning repair | 35/100 |
| 4 | [Trinity Tuning](https://bestautorepairshops.com/houston/trinity-tuning/) | Houston 77040 | Wheel alignment, Transmission repair, Engine diagnostics | 35/100 |
| 5 | [Speedco Automotive](https://bestautorepairshops.com/houston/speedco-automotive/) | Houston 77040 | Transmission repair, Air conditioning repair, Engine diagnostics | 35/100 |
| 6 | [Rush Truck Centers - Houston Northwest](https://bestautorepairshops.com/houston/rush-truck-centers-houston-northwest/) | Houston 77040 | Wheel alignment, Tire service, Transmission repair | 32/100 |
| 7 | [BOGO Oil and Auto](https://bestautorepairshops.com/houston/bogo-oil-and-auto/) | Houston 77040 | Air conditioning repair, Engine diagnostics, Brake repair | 26/100 |
| 8 | [Autopro-Houston](https://bestautorepairshops.com/houston/autopro-houston/) | Houston 77040 | Transmission repair, Air conditioning repair, Engine diagnostics | 26/100 |
| 9 | [Fairbanks Complete Auto Care](https://bestautorepairshops.com/houston/fairbanks-complete-auto-care/) | Houston 77040 | ASE certified technicians, State inspection, Wheel alignment | 25/100 |
| 10 | [Mecánico lucio](https://bestautorepairshops.com/houston/mecanico-lucio/) | Houston 77040 | Transmission repair, Air conditioning repair, Engine diagnostics | 24/100 |
| 11 | [Juarez Precision Auto Repair](https://bestautorepairshops.com/houston/juarez-precision-auto-repair/) | Houston 77040 | Tire service, Transmission repair, Air conditioning repair | 14/100 |
| 12 | [K.A.R.L AUTO SALES LLC](https://bestautorepairshops.com/houston/k-a-r-l-auto-sales-llc/) | Houston 77040 | Tire service, Transmission repair, Air conditioning repair | 8/100 |
| 13 | [RICKY'S](https://bestautorepairshops.com/houston/rickys/) | Houston 77040 | Air conditioning repair, Engine diagnostics, Brake repair | 5/100 |
| 14 | [ILRtuned](https://bestautorepairshops.com/houston/ilrtuned/) | Houston 77040 | Transmission repair, Engine diagnostics, Brake repair | 4/100 |

## 1. [Cox Auto Repair C.A.R.](https://bestautorepairshops.com/houston/cox-auto-repair-c-a-r/)

Houston 77040 · reviewed since at least 2017 · 4.9 rating from 96 reviews

- Review cadence: 11/25
- Review sentiment: 19/25
- Capabilities: 10/25
- Years of experience: 13/25
- Total: 53/100

## 2. [Ace Auto Repair & More LLC](https://bestautorepairshops.com/houston/ace-auto-repair-and-more-llc/)

Houston 77040 · since 2011 · 4.7 rating from 7 reviews

- Review cadence: 9/25
- Review sentiment: 8/25
- Capabilities: 9/25
- Years of experience: 20/25
- Total: 46/100

## 3. [EFI Auto Services](https://bestautorepairshops.com/houston/efi-auto-services/)

Houston 77040 · reviewed since at least 2022 · 4.5 rating from 167 reviews

- Review cadence: 10/25
- Review sentiment: 9/25
- Capabilities: 8/25
- Years of experience: 8/25
- Total: 35/100

## 4. [Trinity Tuning](https://bestautorepairshops.com/houston/trinity-tuning/)

Houston 77040 · reviewed since 2021 · 4.9 rating from 27 reviews

- Review cadence: 6/25
- Review sentiment: 13/25
- Capabilities: 6/25
- Years of experience: 10/25
- Total: 35/100

## 5. [Speedco Automotive](https://bestautorepairshops.com/houston/speedco-automotive/)

Houston 77040 · reviewed since at least 2016 · 5.0 rating from 21 reviews

- Review cadence: 3/25
- Review sentiment: 11/25
- Capabilities: 6/25
- Years of experience: 15/25
- Total: 35/100

## 6. [Rush Truck Centers - Houston Northwest](https://bestautorepairshops.com/houston/rush-truck-centers-houston-northwest/)

Houston 77040 · reviewed since at least 2024 · 3.8 rating from 251 reviews

- Review cadence: 18/25
- Review sentiment: 1/25
- Capabilities: 9/25
- Years of experience: 4/25
- Total: 32/100

## 7. [BOGO Oil and Auto](https://bestautorepairshops.com/houston/bogo-oil-and-auto/)

Houston 77040 · reviewed since 2020 · 2.9 rating from 46 reviews

- Review cadence: 10/25
- Review sentiment: 0/25
- Capabilities: 5/25
- Years of experience: 11/25
- Total: 26/100

## 8. [Autopro-Houston](https://bestautorepairshops.com/houston/autopro-houston/)

Houston 77040 · reviewed since 2017 · 4.3 rating from 7 reviews

- Review cadence: 1/25
- Review sentiment: 5/25
- Capabilities: 6/25
- Years of experience: 14/25
- Total: 26/100

## 9. [Fairbanks Complete Auto Care](https://bestautorepairshops.com/houston/fairbanks-complete-auto-care/)

Houston 77040 · reviewed since 2024 · 4.3 rating from 12 reviews

- Review cadence: 6/25
- Review sentiment: 5/25
- Capabilities: 10/25
- Years of experience: 4/25
- Total: 25/100

## 10. [Mecánico lucio](https://bestautorepairshops.com/houston/mecanico-lucio/)

Houston 77040 · reviewed since 2020 · 4.4 rating from 9 reviews

- Review cadence: 3/25
- Review sentiment: 4/25
- Capabilities: 6/25
- Years of experience: 11/25
- Total: 24/100

## 11. [Juarez Precision Auto Repair](https://bestautorepairshops.com/houston/juarez-precision-auto-repair/)

Houston 77040 · reviewed since 2026 · 5.0 rating from 2 reviews

- Review cadence: 3/25
- Review sentiment: 3/25
- Capabilities: 8/25
- Years of experience: 0/25
- Total: 14/100

## 12. [K.A.R.L AUTO SALES LLC](https://bestautorepairshops.com/houston/k-a-r-l-auto-sales-llc/)

Houston 77040

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 8/25
- Years of experience: 0/25
- Total: 8/100

## 13. [RICKY'S](https://bestautorepairshops.com/houston/rickys/)

Houston 77040

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 5/25
- Years of experience: 0/25
- Total: 5/100

## 14. [ILRtuned](https://bestautorepairshops.com/houston/ilrtuned/)

Houston 77040

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 4/25
- Years of experience: 0/25
- Total: 4/100

## Questions

**Which engine diagnostics shop in Houston 77040 ranks highest?** [Cox Auto Repair C.A.R.](https://bestautorepairshops.com/houston/cox-auto-repair-c-a-r/), with a score of 53 out of 100.

**Which engine diagnostics shop in Houston 77040 has the most reviews in the last 12 months?** [Rush Truck Centers - Houston Northwest](https://bestautorepairshops.com/houston/rush-truck-centers-houston-northwest/), with 31 reviews in the last 12 months.

**Which engine diagnostics shop in Houston 77040 has the highest Google rating?** [Speedco Automotive](https://bestautorepairshops.com/houston/speedco-automotive/), rated 5.0 from 21 reviews.

**Which engine diagnostics shop in Houston 77040 has been open the longest?** [Ace Auto Repair & More LLC](https://bestautorepairshops.com/houston/ace-auto-repair-and-more-llc/), founded in 2011, going by the year it states itself.

**How many shops does this ranking include?** 14 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.