Engine Diagnostics & Repair in Pataskala, OH

Pinpoint Accuracy, Lasting Repairs

When your engine isn’t running right, you don’t just want a quick fix, you want honest answers and repairs that solve the problem. Whether it’s a check engine light, a strange noise, a loss of power, or overheating, we know how stressful that uncertainty can be. That’s why we take the time to explain what’s going on, so you can make confident decisions without any guesswork or pressure.

At Tanzillo Automotive, our team is made up of certified professionals who bring dealership-level knowledge and hometown values to every job. Using advanced tools and real diagnostic skill, we uncover the root cause and fix it the first time, whether it’s a minor oil leak or a full engine replacement. Our goal is simple: earn your trust by getting you back on the road safely and reliably.

Expert Engine Services for Long-Term Reliability

We offer advanced diagnostics and comprehensive engine services to keep your vehicle running strong:

Check Engine Light Service

We use top-of-the-line diagnostic equipment to read fault codes, interpret sensor data, and determine the exact cause of your check engine light.

Engine Performance Diagnostics

From misfires to rough idling or power loss, we test ignition, fuel, and air systems to identify and correct performance issues.

Oil Leak Detection & Repair

We locate and repair leaks at the valve cover, oil pan, timing cover, and more to protect your engine and avoid costly damage.

Cooling System Repair

We inspect and repair radiators, water pumps, thermostats, and coolant leaks to prevent overheating and protect your engine.

Timing Belt and Chain Service

We inspect and replace worn timing belts or chains to prevent catastrophic engine failure and maintain proper operation.

Head Gasket Replacement

Blown head gaskets can cause serious engine issues. We replace them properly and inspect for additional cylinder head damage.

Engine Replacement & Rebuilds

For engines beyond repair, we offer complete replacement and rebuild options for gas and diesel platforms including Powerstroke, Cummins, and Duramax.

Symptoms of Engine Trouble You Shouldn’t Overlook

Your vehicle often gives clear warning signs when something’s wrong with the engine. Ignoring them can turn a small issue into a major repair. Here are the most common symptoms that should never be overlooked:

Check Engine or Warning Lights

Even if your car drives normally, dashboard lights are your vehicle’s way of signaling a problem. It could be a minor sensor issue or the first sign of major engine trouble.

Knocking or Tapping Noises

These sounds often indicate worn bearings, low oil pressure, or other internal engine problems. Ignoring them can result in severe damage or total engine failure.

Loss of Power or Poor Acceleration

A sluggish or unresponsive engine could stem from ignition issues, clogged filters, fuel delivery problems, or failing sensors.

Overheating

Coolant leaks, water pump failure, or a stuck thermostat can cause your engine to overheat, risking warped heads or complete engine breakdown.

Excessive Smoke

Blue smoke suggests oil burning, black smoke means too much fuel, and white smoke can indicate coolant in the combustion chamber. All require prompt diagnosis.

Oil Leaks

Spots under the vehicle or burning oil smells often mean a failing gasket or seal—something that can escalate quickly if left unaddressed.

Why Pataskala Drivers Trust Tanzillo Automotive

Certified Technicians – ASE-certified professionals, multiple Ford Senior Master Technicians, and Ford ASSET graduates.
Advanced Tools – Autel scanners, oscilloscopes, and manufacturer-level data for accurate diagnostics.
All Engine Types – Gas and diesel, including specialized diagnostics for Powerstroke, Cummins, and Duramax engines.

Clear Communication – We explain exactly what’s going on and what your options are, no guesswork, no pressure.
Warranty-Backed Work – Most engine repairs and replacements are covered by our 2-year/24,000-mile or 3-year/36,000-mile warranty, depending on the service.
Convenient Amenities – Enjoy a clean waiting area, early bird drop-off, and easy payment options online or by text to fit service into your day.

Frequently Asked Questions

What does engine diagnostics involve?

Engine diagnostics involves using advanced scan tools to read trouble codes, monitor real-time sensor data, and perform targeted system tests. This process helps accurately identify the cause of warning lights or performance issues.

What are common signs my engine needs repair?

Common signs that your engine needs repair include knocking noises, reduced power, excessive smoke, overheating, visible oil leaks, and a check engine light. These symptoms should be diagnosed early to prevent major damage.

Can I keep driving with the check engine light on?

Driving with the check engine light on is not recommended. While the issue might be minor, it could also signal a serious problem that may lead to costly damage if ignored.

Do diesel engines require different diagnostics than gas engines?

Yes, diesel engines like Powerstroke, Cummins, and Duramax require different diagnostics than gas engines. They use unique systems and components that require specialized tools and technician expertise to diagnose accurately.

Schedule Engine Diagnostics & Repair in Pataskala, OH

If you notice warning lights, unusual engine noises, smoke from the exhaust, or changes in how your vehicle drives, don’t wait. What starts as a small issue can quickly become a major repair if left unchecked.

Need service? Call 740-919-0830 today, or visit us at 8282 National Rd SW in Pataskala, OH 43062. Online booking is always available when it’s convenient for you.

At Tanzillo Automotive, we’re here to give you real answers, honest guidance, and engine repairs you can count on, serving drivers in Pataskala, Reynoldsburg, Etna, Johnstown, and beyond.