Fast, Accurate Testing — Trusted Since 1987
We’ll find the problem quickly and get your car running right.
When your check engine light, ABS light, or warning light comes on, you need answers — fast. At SunMark Automotive Repair, we provide professional, dealer-level diagnostics using advanced scanning tools to identify issues correctly the first time.
Serving Lutz, Land O’ Lakes, and surrounding areas since 1987, our family-owned shop delivers honest evaluations, clear explanations, and reliable repairs you can trust.
Stop guessing and let our experts find the real cause.

Advanced scanning to identify fault codes and root causes.

Includes powertrain, emissions, transmission, and electrical systems.

Identify faulty sensors, wiring issues, or module problems.

Find shorts, bad connections, and failing components.

Detect coil issues, spark plugs, fuel system problems, or vacuum leaks.

O2 sensors, MAF, MAP, crankshaft/cam sensors, temperature sensors, etc.

EVAP leaks, catalytic converter issues, readiness tests.

After repairs, ensure the issue is fully fixed.
Trusted local experts with decades of experience.
We use dealer-level scanners for accurate results — no guessing.
Same-day diagnostics available in most cases.
We show you exactly what’s wrong before any work begins.
No surprises. No upsells. Just honest auto care.
Domestic, foreign, SUVs, trucks, and classic cars.
EXCELLENT Based on 60 reviews Posted on Mike SmithTrustindex verifies that the original source of the review is Google. I went in for the first yesterday and worked with Amber. Absolutely amazing service experience. No reason to keep reading this review, if you need service on your vehicle this is the place to go. If I could give 10 stars I would. Thank you Amber and the team!!!Posted on Mary LeonardTrustindex verifies that the original source of the review is Google. Mark and his team go above and beyond for their customers. I am so grateful to have found them. They helped me out tremendously with my RV and they do not service RV 's. I was in a bad situation and they did what they could for me and I cannot express my gratitude enough. Extremely trustworthy.Posted on Geo MartinezTrustindex verifies that the original source of the review is Google. They were able to help me with my flat tire, I just made a phone call and they told me to bring the vehicle, it was in and out. I really recommend it.Posted on Evan StanislowTrustindex verifies that the original source of the review is Google. Amber was very helpful. Got my oil changed here and it was fast and reasonably priced. Highly recommendPosted on roz brownTrustindex verifies that the original source of the review is Google. I was going to have to buy a new car, but Bob was able to find what was wrong with my 2009 Prius. Saved me a lot of money on parts and I didn't have to go to that ripoff toyota dealer.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
SunMark Automotive Repair
1635 N Dale Mabry Hwy #4 Lutz, FL 33548
📞 813-949-0665
🕒 Open Monday–Saturday
Ignoring a warning light can lead to expensive repairs. Get fast, accurate diagnostics today.