Homers Auto Electric

Comprehensive Car Diagnostic Services in Houston, TX

Our team utilizes cutting-edge diagnostic scanning tools to read error codes from your vehicle’s onboard computer system. Whether it’s a check engine light, transmission fault, or electrical issue, we can troubleshoot the problem and provide expert repairs.

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Common Reasons Your Car May Need a Auto Diagnostic Test

• Check Engine Light On – The most common reason for a diagnostic test.
• Unusual Noises – Clicking, knocking, or grinding sounds may indicate an issue.
• Poor Fuel Efficiency – A sudden drop in MPG may point to sensor or fuel system problems.
• Engine Stalling or Misfiring – Could be caused by ignition system faults.
• Warning Lights Illuminated – ABS, transmission, or battery lights require immediate attention.
• Transmission Problems – Hard shifting, slipping gears, or hesitation while driving.
• Battery and Electrical Issues – Dim lights, dead battery, or electrical malfunctions.

How Much Does an Auto Diagnostic Cost?

The cost of an automotive diagnostic test in Houston varies depending on the shop and complexity of the issue. Typically, you can expect to pay:

• Comprehensive Diagnostic Scan: $100 – $200
• Specialized Electrical Diagnostics: $150 – $300

Some auto repair shops may waive the diagnostic fee if you choose to have the repairs done at their location.

Where Can I Get a Free Car Diagnostic?

If you are looking for a free car diagnostic test, some auto parts stores like AutoZone, O’Reilly Auto Parts, and Advance Auto Parts offer free check engine light scans. However, these scans only provide basic error codes without in-depth troubleshooting. For a complete assessment, visiting a professional automotive repair shop is recommended.

What Does a Full Auto Diagnostic Include?

A full vehicle diagnostic provides a thorough examination of your car’s systems and components, including:

• OBD-II Code Reading – Scanning for error codes stored in your vehicle’s computer.
• Engine Performance Analysis – Checking fuel injectors, ignition system, and air intake.
• Transmission Diagnostics – Identifying issues with shifting, torque converter, and transmission fluid.
• Battery and Charging System Check – Ensuring alternator, starter, and battery health.
• Sensor Inspection – Verifying the function of oxygen, mass airflow, and temperature sensors.
• Exhaust System Check – Looking for catalytic converter and emission control problems.
• Electrical System Evaluation – Testing fuses, wiring, and electronic components.

Common Auto Diagnostic Codes and Their Meanings

When a car diagnostic test is performed, it retrieves trouble codes from your vehicle’s onboard computer. Some of the most common diagnostic codes include:

• P0300: Random/multiple cylinder misfire detected.
• P0171 & P0174: Engine running too lean (fuel mixture issue).
• P0420: Catalytic converter efficiency below threshold.
• P0455: Large EVAP system leak (fuel vapor leak, possibly a loose gas cap).
• P0700: Transmission control system malfunction.
• P0507: Idle control system RPM higher than expected.
• C0035: ABS wheel speed sensor malfunction.

Understanding these codes requires an experienced auto technician who can accurately diagnose and repair the underlying issue.

Why Work with a Professional Automotive Electrical Technician?

Modern vehicles are equipped with complex electrical systems, making troubleshooting automotive electrical issues a meticulous process. Our highly trained electrical technicians specialize in:

• Wiring & Circuit Repairs – Identifying and fixing faulty connections.
• ECU and Sensor Testing – Diagnosing problems with the electronic control unit and vehicle sensors.
• Alternator & Starter Troubleshooting – Ensuring proper charging and engine start-up.
• Fuse & Relay Inspection – Preventing power loss and electrical shorts.
• CAN Bus & Data Communication Repair – Fixing issues with the vehicle’s network communication system.

Automotive electrical repairs require expert knowledge and precision to avoid further damage. Trust our skilled team to handle even the most complex electrical problems efficiently.

Schedule Your Car Diagnostic Today!

If your car is displaying warning lights or experiencing performance issues, don’t wait until it worsens. Get a professional automotive diagnostics and troubleshooting in Houston, TX today!

Call Homer to schedule your auto electrical repair & service or schedule an appointment online to get expert car diagnostic repair services.

Our dedicated technicians are ready to diagnose and repair your vehicle with precision and care. Let us help you get back on the road with confidence!

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