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Fleet Computer Diagnostics - Heavy Duty

Working Hours
  • Mon 8:00AM - 6:00PM
    Tue 8:00AM - 6:00PM
  • Wed 8:00AM - 6:00PM
    Thu 8:00AM - 6:00PM
  • Fri 8:00AM - 6:00PM
    Sat Appointment Only
  • Sun Closed

Fleet Computer Diagnostics - Heavy Duty

McCreless Automotive understands the importance of your On-Board Diagnostics. Give us a call or stop by for a complete diagnostic check up:

Check Engine Light
No one likes to see their truck's "Check Engine" light come on. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. At McCreless Automotive, we can pull the code and diagnose the problem for you. Give us a call at 210-476-5221 or stop by the shop for our expert assistance.

Computer Diagnostics
Modern vehicles are fitted with at least one onboard computer. The computer's main function is to monitor and adjust the engine and transmission. Computer testing and diagnostics is an integral aspect to professional electronic work on modern cars. Computer diagnostics help find the root causes of major and potential automobile problems. At McCreless Automotive, we have state of the art computer diagnostics equipment such as digital code readers, pressure test kits, circuit testers, digital tachometers and more. Call 210-476-5221 or visit our auto shop in San Antonio, TX 78223 for all your vehicle's computer diagnostic needs.

Drivability
Drivability is the degree of smoothness and steadiness of your truck's acceleration. Most modern vehicles are fitted with on-board computers that continuously check the readings from various sensors. In case of drivability problems, you will receive a warning message on your truck's dashboard. To have your truck diagnosed for drivability issues, visit McCreless Automotive in San Antonio, TX 78223 today. At McCreless Automotive, we have the necessary tools, training, and technology to diagnose and address your vehicle's drivability issues.

Engine Controls
Basically, an engine control system is an on-board computer in your truck. Like all computers, the engine controls are composed of hardware and software. Automotive engine control systems are responsible for regulating exhaust emissions, and providing increased fuel economy. To get the best out of your vehicle's incredibly powerful technology, make sure engine controls are working properly. To check if your truck's engine controls are working properly, call McCreless Automotive today.

What People Say About Us

  • reviewiconHighly Recommended

    I have taken my car so many places and no one could figure out what was wrong. I felt like I was spending more on repairs than I was the actual vehicle until someone recommended McCreless Automotive. From the beginning they provided excellent customer service and unlike other places which try to take you for all you have, they told me what was critical and what could wait to be fixed. I have referred my friends here and now we all won't take our cars anywhere else!!!!

  • reviewiconHighly Recommended

    My car was needing engine and suspension repairs and Jesse left it feeling brand new again. Highly recommend !!

  • reviewiconTrustworthy Auto Shop

    Went here to have my husband's car fixed and this place is very trustworthy and great at what they do! ..Jesse was very professional ,honest, forthcoming and awesome! I will be bringing both my husband's and my vehicle here going forward! Keep up the great work guys!

  • reviewiconTrustworthy Auto Shop

    Finally a mechanic shop I can trust... My 3rd time coming here and the price is always right. And my truck is ready on time..Thank you!

  • reviewiconFast and Courteous

    Had issues with my AC not working and they got it working for me at an affordable price!! Really great people working here!

  • reviewiconFast and Courteous

    I have taken my car so many places and no one could figure out what was wrong. I felt like I was spending more on repairs than I was the actual vehicle until someone recommended McCreless Automotive. From the beginning they provided excellent customer service and unlike other places which try to take you for all you have, they told me what was critical and what could wait to be fixed. I have referred my friends here and now we all won't take our cars anywhere else!!!!

Call us for service: 210-476-5221

ASE (Automotive Service Excellence)
  • Car Care Aware