# Best engine diagnostics shops in Conroe, page 3 Data as of November 11, 2026. Page 3 of 5. 95 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 | |---|---|---|---|---| | 41 | [A & D Auto Repair](https://bestautorepairshops.com/houston/a-and-d-auto-repair/) | Conroe | Collision repair, Transmission repair, Air conditioning repair | 41/100 | | 42 | [Antz Auto](https://bestautorepairshops.com/houston/antz-auto/) | Conroe | BMW, Engine diagnostics, Brake repair | 40/100 | | 43 | [MperformanceTx](https://bestautorepairshops.com/houston/mperformancetx/) | Conroe | Collision repair, Wheel alignment, Air conditioning repair | 40/100 | | 44 | [Kwik Kar Lube & Tune](https://bestautorepairshops.com/houston/kwik-kar-lube-and-tune-conroe/) | Conroe | Towing, State inspection, Wheel alignment | 39/100 | | 45 | [Cal's Auto](https://bestautorepairshops.com/houston/cals-auto/) | Conroe | Transmission repair, Engine diagnostics, Brake repair | 39/100 | | 46 | [Street Smart Automotive LLC](https://bestautorepairshops.com/houston/street-smart-automotive-llc/) | Conroe | Collision repair, Transmission repair, Air conditioning repair | 39/100 | | 47 | [Specialized Truck and Auto](https://bestautorepairshops.com/houston/specialized-truck-and-auto-conroe/) | Conroe | Ford, ASE certified technicians, Diesel repair | 39/100 | | 48 | [MTZ AUTO MECHANIC](https://bestautorepairshops.com/houston/mtz-auto-mechanic/) | Conroe | Ford, Towing, Diesel repair | 38/100 | | 49 | [Gullo Ford of Conroe Service](https://bestautorepairshops.com/houston/gullo-ford-of-conroe-service/) | Conroe | Ford, Shuttle or loaner car, State inspection | 37/100 | | 50 | [OCD Customs](https://bestautorepairshops.com/houston/ocd-customs/) | Conroe | Diesel repair, Tire service, Transmission repair | 36/100 | | 51 | [Texas Outlaw Performance](https://bestautorepairshops.com/houston/texas-outlaw-performance/) | Conroe | Transmission repair, Engine diagnostics, Brake repair | 35/100 | | 52 | [Gullo Mazda of Conroe Service & Parts Center](https://bestautorepairshops.com/houston/gullo-mazda-of-conroe-service-and-parts-center/) | Conroe | Collision repair, State inspection, Wheel alignment | 34/100 | | 53 | [Mercado Auto Repair](https://bestautorepairshops.com/houston/mercado-auto-repair/) | Conroe | Mercedes-Benz, BMW, Diesel repair | 33/100 | | 54 | [REDLINE PRECISION MECHANICS](https://bestautorepairshops.com/houston/redline-precision-mechanics/) | Conroe | Transmission repair, Air conditioning repair, Engine diagnostics | 33/100 | | 55 | [Crash Champions Collision Repair Lake Conroe](https://bestautorepairshops.com/houston/crash-champions-collision-repair-lake-conroe/) | Conroe | Shuttle or loaner car, Towing, Warranty on repairs | 32/100 | | 56 | [M Auto Service LLC](https://bestautorepairshops.com/houston/m-auto-service-llc/) | Conroe | Transmission repair, Air conditioning repair, Engine diagnostics | 32/100 | | 57 | [Diamond H Diesel Services](https://bestautorepairshops.com/houston/diamond-h-diesel-services/) | Conroe | Diesel repair, Collision repair, Transmission repair | 32/100 | | 58 | [Bernal Aut-O-Control Shop & Performance](https://bestautorepairshops.com/houston/bernal-aut-o-control-shop-and-performance/) | Conroe | Diesel repair, Tire service, Transmission repair | 32/100 | | 59 | [Hall's Auto Electric](https://bestautorepairshops.com/houston/halls-auto-electric/) | Conroe | Air conditioning repair, Engine diagnostics, Brake repair | 31/100 | | 60 | [C&W Heavy Equipment Mechanic](https://bestautorepairshops.com/houston/c-and-w-heavy-equipment-mechanic/) | Conroe | Diesel repair, Engine diagnostics, Brake repair | 31/100 | ## 41. [A & D Auto Repair](https://bestautorepairshops.com/houston/a-and-d-auto-repair/) Conroe · reviewed since 2022 · 4.9 rating from 34 reviews - Review cadence: 10/25 - Review sentiment: 15/25 - Capabilities: 8/25 - Years of experience: 8/25 - Total: 41/100 ## 42. [Antz Auto](https://bestautorepairshops.com/houston/antz-auto/) Conroe · reviewed since 2026 · 5.0 rating from 56 reviews - Review cadence: 16/25 - Review sentiment: 19/25 - Capabilities: 5/25 - Years of experience: 0/25 - Total: 40/100 ## 43. [MperformanceTx](https://bestautorepairshops.com/houston/mperformancetx/) Conroe · reviewed since 2014 · 4.4 rating from 53 reviews - Review cadence: 8/25 - Review sentiment: 9/25 - Capabilities: 8/25 - Years of experience: 15/25 - Total: 40/100 ## 44. [Kwik Kar Lube & Tune](https://bestautorepairshops.com/houston/kwik-kar-lube-and-tune-conroe/) Conroe · reviewed since at least 2023 · 4.2 rating from 294 reviews - Review cadence: 16/25 - Review sentiment: 6/25 - Capabilities: 11/25 - Years of experience: 6/25 - Total: 39/100 ## 45. [Cal's Auto](https://bestautorepairshops.com/houston/cals-auto/) Conroe · reviewed since at least 2021 · 4.8 rating from 152 reviews - Review cadence: 8/25 - Review sentiment: 16/25 - Capabilities: 5/25 - Years of experience: 10/25 - Total: 39/100 ## 46. [Street Smart Automotive LLC](https://bestautorepairshops.com/houston/street-smart-automotive-llc/) Conroe · reviewed since 2023 · 5.0 rating from 25 reviews - Review cadence: 9/25 - Review sentiment: 16/25 - Capabilities: 8/25 - Years of experience: 6/25 - Total: 39/100 ## 47. [Specialized Truck and Auto](https://bestautorepairshops.com/houston/specialized-truck-and-auto-conroe/) Conroe · since 2009 · 5.0 rating from 3 reviews - Review cadence: 0/25 - Review sentiment: 4/25 - Capabilities: 13/25 - Years of experience: 22/25 - Total: 39/100 ## 48. [MTZ AUTO MECHANIC](https://bestautorepairshops.com/houston/mtz-auto-mechanic/) Conroe · reviewed since at least 2018 · 4.7 rating from 72 reviews - Review cadence: 4/25 - Review sentiment: 12/25 - Capabilities: 9/25 - Years of experience: 13/25 - Total: 38/100 ## 49. [Gullo Ford of Conroe Service](https://bestautorepairshops.com/houston/gullo-ford-of-conroe-service/) Conroe · reviewed since at least 2019 · 3.7 rating from 51 reviews - Review cadence: 12/25 - Review sentiment: 2/25 - Capabilities: 11/25 - Years of experience: 12/25 - Total: 37/100 ## 50. [OCD Customs](https://bestautorepairshops.com/houston/ocd-customs/) Conroe · reviewed since at least 2022 · 4.6 rating from 51 reviews - Review cadence: 9/25 - Review sentiment: 10/25 - Capabilities: 9/25 - Years of experience: 8/25 - Total: 36/100 ## 51. [Texas Outlaw Performance](https://bestautorepairshops.com/houston/texas-outlaw-performance/) Conroe · reviewed since 2026 · 5.0 rating from 26 reviews - Review cadence: 14/25 - Review sentiment: 17/25 - Capabilities: 4/25 - Years of experience: 0/25 - Total: 35/100 ## 52. [Gullo Mazda of Conroe Service & Parts Center](https://bestautorepairshops.com/houston/gullo-mazda-of-conroe-service-and-parts-center/) Conroe · reviewed since 2018 · 4.0 rating from 24 reviews - Review cadence: 6/25 - Review sentiment: 4/25 - Capabilities: 11/25 - Years of experience: 13/25 - Total: 34/100 ## 53. [Mercado Auto Repair](https://bestautorepairshops.com/houston/mercado-auto-repair/) Conroe · reviewed since 2011 · 4.7 rating from 25 reviews - Review cadence: 0/25 - Review sentiment: 10/25 - Capabilities: 8/25 - Years of experience: 15/25 - Total: 33/100 ## 54. [REDLINE PRECISION MECHANICS](https://bestautorepairshops.com/houston/redline-precision-mechanics/) Conroe · reviewed since at least 2026 · 5.0 rating from 21 reviews - Review cadence: 12/25 - Review sentiment: 16/25 - Capabilities: 5/25 - Years of experience: 0/25 - Total: 33/100 ## 55. [Crash Champions Collision Repair Lake Conroe](https://bestautorepairshops.com/houston/crash-champions-collision-repair-lake-conroe/) Conroe · reviewed since at least 2021 · 4.1 rating from 118 reviews - Review cadence: 11/25 - Review sentiment: 3/25 - Capabilities: 8/25 - Years of experience: 10/25 - Total: 32/100 ## 56. [M Auto Service LLC](https://bestautorepairshops.com/houston/m-auto-service-llc/) Conroe · reviewed since 2024 · 4.9 rating from 27 reviews - Review cadence: 10/25 - Review sentiment: 14/25 - Capabilities: 6/25 - Years of experience: 2/25 - Total: 32/100 ## 57. [Diamond H Diesel Services](https://bestautorepairshops.com/houston/diamond-h-diesel-services/) Conroe · reviewed since 2026 · 4.2 rating from 26 reviews - Review cadence: 16/25 - Review sentiment: 7/25 - Capabilities: 9/25 - Years of experience: 0/25 - Total: 32/100 ## 58. [Bernal Aut-O-Control Shop & Performance](https://bestautorepairshops.com/houston/bernal-aut-o-control-shop-and-performance/) Conroe · reviewed since 2024 · 4.7 rating from 18 reviews - Review cadence: 10/25 - Review sentiment: 11/25 - Capabilities: 9/25 - Years of experience: 2/25 - Total: 32/100 ## 59. [Hall's Auto Electric](https://bestautorepairshops.com/houston/halls-auto-electric/) Conroe · reviewed since at least 2021 · 4.2 rating from 135 reviews - Review cadence: 13/25 - Review sentiment: 3/25 - Capabilities: 5/25 - Years of experience: 10/25 - Total: 31/100 ## 60. [C&W Heavy Equipment Mechanic](https://bestautorepairshops.com/houston/c-and-w-heavy-equipment-mechanic/) Conroe · reviewed since 2023 · 4.9 rating from 73 reviews - Review cadence: 4/25 - Review sentiment: 16/25 - Capabilities: 5/25 - Years of experience: 6/25 - Total: 31/100 Pages: [Previous page](https://bestautorepairshops.com/houston/conroe/engine-diagnostics/page/2/) · [Next page](https://bestautorepairshops.com/houston/conroe/engine-diagnostics/page/4/) ## Questions **Which engine diagnostics shop in Conroe ranks highest?** [Discount Brake & Auto Repair](https://bestautorepairshops.com/houston/discount-brake-and-auto-repair/), with a score of 91 out of 100. **Which engine diagnostics shop in Conroe has the most reviews in the last 12 months?** [Jiffy Lube Oil Change](https://bestautorepairshops.com/houston/jiffy-lube-oil-change-conroe/), with 80+ reviews in the last 12 months. **Which engine diagnostics shop in Conroe has the highest Google rating?** [STUTTGARD German Automotive Repair Specialist](https://bestautorepairshops.com/houston/stuttgard-german-automotive-repair-specialist/), rated 5.0 from 91 reviews. **Which engine diagnostics shop in Conroe has been open the longest?** [DeMontrond Volkswagen of Conroe](https://bestautorepairshops.com/houston/demontrond-volkswagen-of-conroe/), founded in 1953, going by the year it states itself. **How many shops does this ranking include?** 95 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.