Vehicle Diagnostics

A check engine light can mean anything from a loose gas cap to a failing catalytic converter, and those two situations carry very different costs and urgency. A scan tool code is a starting point, not an answer. That is why our diagnostic process goes deeper.

When you bring your vehicle in, we start by asking what you have noticed: when the problem happens, how the car feels, and any sounds or smells. Then our technicians:

• Retrieve fault codes from every relevant control module
• Review live sensor data and freeze frame information
• Check for manufacturer technical service bulletins
• Perform pinpoint tests on the suspected circuits and components
• Confirm the root cause before recommending a repair

What you pay for diagnostics depends on the complexity of the problem, such as how many systems are involved and whether the fault is intermittent. We tell you exactly what we find before any repair begins, with photos and notes in a digital inspection report and a written estimate. A flashing check engine light signals an active misfire, so stop driving and call us right away.

Real Experiences. Real Trust.

Accurate diagnosis is the foundation of every good repair. Our ASE-certified technicians, including ASE Master Technicians, bring more than 65 years of combined experience across most makes and models. They have seen enough variations of the same symptom to know which direction the evidence actually points, which saves you from paying for parts that do not fix the problem.

We diagnose drivability problems, warning lights, electrical faults, transmission concerns, emissions failures, and strange noises or vibrations. Once we pinpoint the cause, qualifying repairs are backed by a 36-month/36,000-mile warranty honored at participating NAPA AutoCare Centers nationwide.

Some problems only show up after the car sits overnight or on a cold start, so our after-hours drop-off can help us catch an intermittent issue. Text message updates keep you informed as testing progresses, and our courtesy shuttle or Uber ride gets you on your way. Schedule online, or call 775-507-7530 to describe what your car is doing.

Making Auto Care Easy and Stress-Free