Check engine diagnostic at Jones Tire by GMR

Check Engine Diagnostic Services

That Little Light Means Big Things

Is your check engine light on? Don't ignore it. Our certified technicians use advanced diagnostic tools to identify the exact issue and get your vehicle back to peak performance.

Our Diagnostic & Engine Services

OBD-II Diagnostic Scan

We connect to your vehicle's onboard computer to read fault codes and identify the root cause of your check engine light — fast, accurate, and reliable.

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Full Engine Inspection

Beyond the codes, our technicians perform a thorough visual and mechanical inspection of your engine to catch any issues that sensors may not fully capture.

engine inspectioncar diagnosticConroe TX

Emissions & Sensor Repair

Faulty oxygen sensors, catalytic converters, or EGR valves are common check engine triggers. We repair or replace these components to restore proper emissions performance.

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Engine Repair & Tune-Up

From spark plugs and ignition coils to fuel injectors and timing belts, we handle all engine repairs and tune-ups to keep your vehicle running smoothly.

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Don't Ignore the Warning — Act Now

A check engine light can mean anything from a loose gas cap to a serious engine issue. Let our experts diagnose it before it becomes a costly repair.