
Check Engine Light Testing
When your check engine light comes on, it can feel stressful—especially when you’re not sure what’s wrong. At Scott's Ivy Exxon Automotive & Tire, we make the process simple, accurate, and fast. Our certified technicians use state-of-the-art diagnostic equipment to pinpoint the issue and provide clear, honest recommendations so you can get back on the road with confidence.
Common Reasons Your Check Engine Light Could Be On
The check engine light is your vehicle’s way of telling you something needs attention. It could be as simple as a loose gas cap or as serious as engine misfires, failing sensors, or emissions problems. Ignoring it can lead to decreased performance, poor fuel economy, or more expensive repairs down the road.
Common Reasons Your Check Engine Light Could Be On
✔ Advanced Computer Diagnostics
We connect professional-grade scanners to your vehicle’s onboard computer system to read and interpret trouble codes accurately.
✔ Experienced Automotive Technicians
Our technicians understand not just the code, but the root cause behind it. We perform additional testing when needed to verify the issue.
✔ Clear Explanations & Honest Recommendations
We walk you through the findings in plain language, explain what’s going on, and help you understand your repair options.
✔ Fast, Reliable Service
In most cases, diagnostics can be completed the same day—because your time matters.
✔ Full-Service Repairs Available
If your vehicle needs repair after diagnostics, our team can complete the work in-house using high-quality parts and trusted expertise.
Common Reasons Your Check Engine Light Could Be On
- Faulty oxygen sensor
- Loose or damaged gas cap
- Bad spark plugs or ignition coils
- Mass airflow sensor issues
- Catalytic converter problems
- Emissions system faults
- Vacuum leaks
- Engine misfires
No matter the cause, we’ll find it—accurately and efficiently.







