# Best engine diagnostics shops in Katy, page 7 Data as of November 11, 2026. Page 7 of 7. 140 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 | |---|---|---|---|---| | 121 | [Katy Mobile Mechanic](https://bestautorepairshops.com/houston/katy-mobile-mechanic/) | Katy | Tire service, Air conditioning repair, Engine diagnostics | 18/100 | | 122 | [Ln Mechanic Mobil Corp](https://bestautorepairshops.com/houston/ln-mechanic-mobil-corp/) | Katy | Tire service, Transmission repair, Air conditioning repair | 18/100 | | 123 | [VELAZQUEZ AUTO GROUP](https://bestautorepairshops.com/houston/velazquez-auto-group/) | Katy | Towing, Collision repair, Transmission repair | 16/100 | | 124 | [NW Mobile Auto Care](https://bestautorepairshops.com/houston/nw-mobile-auto-care/) | Katy | Tire service, Transmission repair, Air conditioning repair | 14/100 | | 125 | [The fine auto care LLC](https://bestautorepairshops.com/houston/the-fine-auto-care-llc/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 12/100 | | 126 | [pars auto & performance center](https://bestautorepairshops.com/houston/pars-auto-and-performance-center/) | Katy | Ford, Tire service, Transmission repair | 12/100 | | 127 | [Aiya Motorworks](https://bestautorepairshops.com/houston/aiya-motorworks/) | Katy | Toyota, Transmission repair, Engine diagnostics | 11/100 | | 128 | [Alineación profesional](https://bestautorepairshops.com/houston/alineacion-profesional/) | Katy | Collision repair, Wheel alignment, Air conditioning repair | 11/100 | | 129 | [Servicio Jear Cars](https://bestautorepairshops.com/houston/servicio-jear-cars/) | Katy | Towing, Transmission repair, Air conditioning repair | 11/100 | | 130 | [Oberto’s auto repair](https://bestautorepairshops.com/houston/obertos-auto-repair/) | Katy | Transmission repair, Engine diagnostics, Brake repair | 10/100 | | 131 | [ANJ Mobile, LLC](https://bestautorepairshops.com/houston/anj-mobile-llc/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 9/100 | | 132 | [J&R auto repair](https://bestautorepairshops.com/houston/j-and-r-auto-repair/) | Katy | Tire service, Transmission repair, Air conditioning repair | 8/100 | | 133 | [motorlab](https://bestautorepairshops.com/houston/motorlab/) | Katy | Diesel repair, Transmission repair, Air conditioning repair | 8/100 | | 134 | [Rocket Automotive Repairs](https://bestautorepairshops.com/houston/rocket-automotive-repairs/) | Katy | Tire service, Transmission repair, Air conditioning repair | 8/100 | | 135 | [Gallegos Automotive Diagnostic Solutions](https://bestautorepairshops.com/houston/gallegos-automotive-diagnostic-solutions/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 6/100 | | 136 | [K&J Racing](https://bestautorepairshops.com/houston/k-and-j-racing/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 6/100 | | 137 | [Monkey performance](https://bestautorepairshops.com/houston/monkey-performance/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 6/100 | | 138 | [Out Here Auto & Truck Services LLC](https://bestautorepairshops.com/houston/out-here-auto-and-truck-services-llc/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 6/100 | | 139 | [4K Automotive](https://bestautorepairshops.com/houston/4k-automotive/) | Katy | Transmission repair, Air conditioning repair, Engine diagnostics | 5/100 | | 140 | [JAS AUTOMOTIVE SERVICES (Mobile Services)](https://bestautorepairshops.com/houston/jas-automotive-services-mobile-services/) | Katy | Air conditioning repair, Engine diagnostics, Brake repair | 4/100 | ## 121. [Katy Mobile Mechanic](https://bestautorepairshops.com/houston/katy-mobile-mechanic/) Katy · reviewed since 2023 · 4.5 rating from 16 reviews - Review cadence: 0/25 - Review sentiment: 6/25 - Capabilities: 6/25 - Years of experience: 6/25 - Total: 18/100 ## 122. [Ln Mechanic Mobil Corp](https://bestautorepairshops.com/houston/ln-mechanic-mobil-corp/) Katy · reviewed since 2024 · 5.0 rating from 9 reviews - Review cadence: 0/25 - Review sentiment: 6/25 - Capabilities: 8/25 - Years of experience: 4/25 - Total: 18/100 ## 123. [VELAZQUEZ AUTO GROUP](https://bestautorepairshops.com/houston/velazquez-auto-group/) Katy · reviewed since 2026 · 5.0 rating from 3 reviews - Review cadence: 3/25 - Review sentiment: 4/25 - Capabilities: 9/25 - Years of experience: 0/25 - Total: 16/100 ## 124. [NW Mobile Auto Care](https://bestautorepairshops.com/houston/nw-mobile-auto-care/) Katy · reviewed since 2026 · 5.0 rating from 2 reviews - Review cadence: 2/25 - Review sentiment: 4/25 - Capabilities: 8/25 - Years of experience: 0/25 - Total: 14/100 ## 125. [The fine auto care LLC](https://bestautorepairshops.com/houston/the-fine-auto-care-llc/) Katy · reviewed since 2026 · 5.0 rating from 2 reviews - Review cadence: 3/25 - Review sentiment: 3/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 12/100 ## 126. [pars auto & performance center](https://bestautorepairshops.com/houston/pars-auto-and-performance-center/) Katy · reviewed since 2026 · 5.0 rating from 1 review - Review cadence: 0/25 - Review sentiment: 3/25 - Capabilities: 9/25 - Years of experience: 0/25 - Total: 12/100 ## 127. [Aiya Motorworks](https://bestautorepairshops.com/houston/aiya-motorworks/) Katy · reviewed since 2025 · 5.0 rating from 3 reviews - Review cadence: 0/25 - Review sentiment: 4/25 - Capabilities: 5/25 - Years of experience: 2/25 - Total: 11/100 ## 128. [Alineación profesional](https://bestautorepairshops.com/houston/alineacion-profesional/) Katy · reviewed since 2025 · 5.0 rating from 1 review - Review cadence: 0/25 - Review sentiment: 1/25 - Capabilities: 8/25 - Years of experience: 2/25 - Total: 11/100 ## 129. [Servicio Jear Cars](https://bestautorepairshops.com/houston/servicio-jear-cars/) Katy · reviewed since 2025 · 5.0 rating from 1 review - Review cadence: 0/25 - Review sentiment: 1/25 - Capabilities: 8/25 - Years of experience: 2/25 - Total: 11/100 ## 130. [Oberto’s auto repair](https://bestautorepairshops.com/houston/obertos-auto-repair/) Katy · reviewed since 2025 · 5.0 rating from 3 reviews - Review cadence: 0/25 - Review sentiment: 3/25 - Capabilities: 5/25 - Years of experience: 2/25 - Total: 10/100 ## 131. [ANJ Mobile, LLC](https://bestautorepairshops.com/houston/anj-mobile-llc/) Katy · reviewed since 2026 · 5.0 rating from 1 review - Review cadence: 1/25 - Review sentiment: 2/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 9/100 ## 132. [J&R auto repair](https://bestautorepairshops.com/houston/j-and-r-auto-repair/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 8/25 - Years of experience: 0/25 - Total: 8/100 ## 133. [motorlab](https://bestautorepairshops.com/houston/motorlab/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 8/25 - Years of experience: 0/25 - Total: 8/100 ## 134. [Rocket Automotive Repairs](https://bestautorepairshops.com/houston/rocket-automotive-repairs/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 8/25 - Years of experience: 0/25 - Total: 8/100 ## 135. [Gallegos Automotive Diagnostic Solutions](https://bestautorepairshops.com/houston/gallegos-automotive-diagnostic-solutions/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 6/100 ## 136. [K&J Racing](https://bestautorepairshops.com/houston/k-and-j-racing/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 6/100 ## 137. [Monkey performance](https://bestautorepairshops.com/houston/monkey-performance/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 6/100 ## 138. [Out Here Auto & Truck Services LLC](https://bestautorepairshops.com/houston/out-here-auto-and-truck-services-llc/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 6/25 - Years of experience: 0/25 - Total: 6/100 ## 139. [4K Automotive](https://bestautorepairshops.com/houston/4k-automotive/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 5/25 - Years of experience: 0/25 - Total: 5/100 ## 140. [JAS AUTOMOTIVE SERVICES (Mobile Services)](https://bestautorepairshops.com/houston/jas-automotive-services-mobile-services/) Katy - Review cadence: 0/25 - Review sentiment: 0/25 - Capabilities: 4/25 - Years of experience: 0/25 - Total: 4/100 Pages: [Previous page](https://bestautorepairshops.com/houston/katy/engine-diagnostics/page/6/) ## Questions **Which engine diagnostics shop in Katy ranks highest?** [Proline Auto](https://bestautorepairshops.com/houston/proline-auto/), with a score of 91 out of 100. **Which engine diagnostics shop in Katy has the most reviews in the last 12 months?** [AutoNation Chrysler Dodge Jeep RAM Katy](https://bestautorepairshops.com/houston/autonation-chrysler-dodge-jeep-ram-katy/), with 80+ reviews in the last 12 months. **Which engine diagnostics shop in Katy has the highest Google rating?** [Integrity 1st Car Pros](https://bestautorepairshops.com/houston/integrity-1st-car-pros-katy-h-tswm/), rated 5.0 from 369 reviews. **Which engine diagnostics shop in Katy has been open the longest?** [Cinco Car Care](https://bestautorepairshops.com/houston/cinco-car-care/), founded in 1989, going by the year it states itself. **How many shops does this ranking include?** 140 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.