# Best engine diagnostics shops in Porter, page 2

Data as of November 11, 2026. Page 2 of 2. 27 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 |
|---|---|---|---|---|
| 21 | [JG mufflers shop & more](https://bestautorepairshops.com/houston/jg-mufflers-shop-and-more/) | Porter | State inspection, Tire service, Engine diagnostics | 19/100 |
| 22 | [Houston ADAS](https://bestautorepairshops.com/houston/houston-adas/) | Porter | Shuttle or loaner car, Collision repair, Wheel alignment | 15/100 |
| 23 | [MartinezAutoelectronics](https://bestautorepairshops.com/houston/martinezautoelectronics/) | Porter | Transmission repair, Air conditioning repair, Engine diagnostics | 13/100 |
| 24 | [Mechanic N Motion](https://bestautorepairshops.com/houston/mechanic-n-motion/) | Porter | Transmission repair, Air conditioning repair, Engine diagnostics | 11/100 |
| 25 | [Chino Mobile Mechanic](https://bestautorepairshops.com/houston/chino-mobile-mechanic/) | Porter | Transmission repair, Air conditioning repair, Engine diagnostics | 10/100 |
| 26 | [M And M mechanic and transmission](https://bestautorepairshops.com/houston/m-and-m-mechanic-and-transmission/) | Porter | Transmission repair, Air conditioning repair, Engine diagnostics | 6/100 |
| 27 | [Boss Monster Customs](https://bestautorepairshops.com/houston/boss-monster-customs/) | Porter | Transmission repair, Engine diagnostics | 3/100 |

## 21. [JG mufflers shop & more](https://bestautorepairshops.com/houston/jg-mufflers-shop-and-more/)

Porter · reviewed since 2023 · 3.6 rating from 16 reviews

- Review cadence: 7/25
- Review sentiment: 0/25
- Capabilities: 6/25
- Years of experience: 6/25
- Total: 19/100

## 22. [Houston ADAS](https://bestautorepairshops.com/houston/houston-adas/)

Porter · reviewed since 2024 · 4.0 rating from 4 reviews

- Review cadence: 3/25
- Review sentiment: 2/25
- Capabilities: 6/25
- Years of experience: 4/25
- Total: 15/100

## 23. [MartinezAutoelectronics](https://bestautorepairshops.com/houston/martinezautoelectronics/)

Porter · reviewed since 2026 · 5.0 rating from 2 reviews

- Review cadence: 3/25
- Review sentiment: 4/25
- Capabilities: 6/25
- Years of experience: 0/25
- Total: 13/100

## 24. [Mechanic N Motion](https://bestautorepairshops.com/houston/mechanic-n-motion/)

Porter · reviewed since 2025 · 5.0 rating from 2 reviews

- Review cadence: 0/25
- Review sentiment: 3/25
- Capabilities: 6/25
- Years of experience: 2/25
- Total: 11/100

## 25. [Chino Mobile Mechanic](https://bestautorepairshops.com/houston/chino-mobile-mechanic/)

Porter · reviewed since 2026 · 5.0 rating from 2 reviews

- Review cadence: 0/25
- Review sentiment: 4/25
- Capabilities: 6/25
- Years of experience: 0/25
- Total: 10/100

## 26. [M And M mechanic and transmission](https://bestautorepairshops.com/houston/m-and-m-mechanic-and-transmission/)

Porter

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 6/25
- Years of experience: 0/25
- Total: 6/100

## 27. [Boss Monster Customs](https://bestautorepairshops.com/houston/boss-monster-customs/)

Porter

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

Pages: [Previous page](https://bestautorepairshops.com/houston/porter/engine-diagnostics/)

## Questions

**Which engine diagnostics shop in Porter ranks highest?** [Phil's Car Care](https://bestautorepairshops.com/houston/phils-car-care/), with a score of 76 out of 100.

**Which engine diagnostics shop in Porter has the most reviews in the last 12 months?** [Mavis Tires & Brakes - Formerly NTB](https://bestautorepairshops.com/houston/mavis-tires-and-brakes-formerly-ntb-porter/), with 80+ reviews in the last 12 months.

**Which engine diagnostics shop in Porter has the highest Google rating?** [Dan’s Garage and Auto Parts](https://bestautorepairshops.com/houston/dans-garage-and-auto-parts/), rated 5.0 from 154 reviews.

**Which engine diagnostics shop in Porter has been open the longest?** [Allen's Auto Care](https://bestautorepairshops.com/houston/allens-auto-care/), founded in 1936, going by the year it states itself.

**How many shops does this ranking include?** 27 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.