Check Engine Light? Free Diagnostic Scan | East Bethel MN

Introduction

You’re driving down Highway 65 near East Bethel when suddenly the dreaded amber glow of the check engine light appears on your dashboard. Panic sets in. Is it a minor issue—or the start of a costly repair?

The truth is, the check engine light can mean many different things. That’s where diagnostic scans come in. By quickly reading your car’s computer codes, mechanics can pinpoint problems before they spiral out of control.

In this blog, we’ll explain what a free diagnostic scan includes, the most common issues it detects, and why Minnesota drivers should never ignore warning lights—especially in the middle of winter.

Why the Check Engine Light Comes On

Modern vehicles use onboard diagnostic systems (OBD-II) that monitor engine, transmission, and emissions performance. When something goes wrong, the system stores a trouble code and triggers the check engine light.

Common reasons include:

• Loose gas cap – Surprisingly, one of the most frequent culprits.

• Oxygen sensor failure – Affects fuel economy and emissions.

• Catalytic converter issues – Can lead to costly repairs if ignored.

• Ignition coil or spark plug failure – Causes rough running or misfires.

• Mass airflow sensor problems – Impacts fuel-to-air ratio and performance.

The light may mean something as simple as a loose cap—or as serious as engine damage. That’s why professional scanning is essential.

What a Diagnostic Scan Does

A diagnostic scan involves connecting a tool to your vehicle’s OBD-II port, usually located under the dashboard. The scanner reads error codes stored in your vehicle’s computer and provides information about potential issues.

Benefits of a Diagnostic Scan:

• Pinpoints problems quickly – Saves time compared to guesswork.

• Prevents costly repairs – Early detection reduces long-term damage.

• Improves accuracy – Mechanics know where to look for the issue.

• Saves money – Many shops, including ours, offer free scans as a first step.
  

For Minnesota drivers, having this peace of mind during the harsh winter is especially valuable. A small issue left unresolved could mean being stranded in freezing conditions.

Step-by-Step: What Happens When You Bring Your Car In

Here’s what you can expect if you bring your car in for a free diagnostic scan:

1. Initial Conversation – You describe the symptoms you’ve noticed (e.g., noises, loss of power, poor mileage).

2. Computer Scan – Technician connects a scanner and retrieves error codes.

3. Code Interpretation – Each code is cross-referenced with manufacturer guidelines.

4. Visual Inspection – Mechanics confirm the code’s likely cause with a hands-on check.

5. Recommendations – You receive clear next steps: repair, part replacement, or monitoring.

6. Estimate & Options – Transparent pricing and repair options are provided before any work begins.

This process ensures you understand the issue without surprises.

FAQs

Is it safe to drive with the check engine light on?
It depends. A solid light often signals a less urgent issue, while a flashing light indicates a severe misfire and requires immediate service.

Can I check engine codes myself?
Yes, many auto parts stores and handheld scanners can read basic codes. However, professional scans are more accurate and include a visual inspection.

Why does my check engine light come on in cold weather?
Cold temperatures can affect sensors, batteries, and emissions systems. Minnesota winters often reveal hidden problems.

How long does a diagnostic scan take?
Most scans take 15–30 minutes, depending on how many codes are found and whether further inspection is needed.

Does a scan fix the problem automatically?
No. A scan identifies the issue—it’s the first step toward a repair.

Conclusion

The check engine light doesn’t have to mean panic. With a quick, free diagnostic scan, you can find out what’s wrong, prevent bigger problems, and keep your car running smoothly.

At Transworks Plus in East Bethel, MN, we offer free diagnostic code scans for all makes and models. Our certified technicians will explain the results clearly and recommend the most cost-effective solution—so you can get back on the road with confidence.

Don’t ignore that dashboard light. Schedule your free diagnostic scan today and drive worry-free.