Two people shaking hands in front of a car with the hood open

Why Our Diagnostics Aren't Free

October 27, 20252 min read

Everyone loves the word “free” — until it costs them more in the long run. And when it comes to vehicle diagnostics, free isn’t always a good thing.

If your check engine light is on, you don’t want guesswork. You want answers. And real answers take real expertise.

Autel vehicle can tool displaying 3 different codes for various check engine lights reasons

What Does a Proper Diagnostic Actually Involve?

At a professional shop, diagnostics aren’t just plugging in a scan tool. Here’s what a real diagnostic process looks like:

  • Computer scan to pull error codes

  • Live data analysis from sensors

  • Hands-on testing (electrical, mechanical, or both)

  • System inspections based on your symptoms

  • Test-driving when needed to confirm issues

This process can take 30 minutes to several hours — depending on the problem. That time is billed because it requires skill, tools, and deep understanding.

What’s Wrong With Free Diagnostics?

Nothing, BUT “Free diagnostics” are usually code reads — nothing more. That’s like your doctor giving you a diagnosis just by taking your temperature.

Shops offering free scans often use it as bait, hoping to upsell repairs. But without real testing, you risk misdiagnosis, wasted money, and extra repairs.

Compression test showing cylinder 3 has too low PSI

What You Get at Independent Vehicle Service

At Independent Vehicle Service, we charge fairly for our diagnostics — because we take the time to do it right. No guesses. No unnecessary parts. Just solid, professional answers from experienced techs.

We’ll explain exactly what’s going on with your vehicle and back it up with real data. Whether it’s an electrical fault, sensor failure, or mechanical issue, you’ll know what you’re paying for and why.

FAQ: Will I know the repair cost after the diagnostic?

A: Yes. Once we identify the issue, we’ll give you a detailed estimate and walk you through your options.

Have a Warning Light or Weird Symptom?

Skip the “free” gamble.
Call Independent Vehicle Service at 505-247-9771 and book a professional diagnostic today.

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