ENGINE DIAGNOSTICS

Engine Diagnostics

When your Check Engine Light comes on or your vehicle isn't running like it should, you need an accurate diagnosis before any repairs begin. Our technicians use advanced factory-level diagnostic equipment to pinpoint the root cause of the problem, explain your repair options clearly, and get you back on the road with confidence—all backed by our 3-Year / 36,000-Mile Nationwide Warranty.

Schedule Engine Diagnostics
ASE-certified technician performing advanced engine diagnostics using professional scan tools at Primary Care Auto Repair.

Our Diagnostic Process

Every diagnostic begins with our 15-Minute No-Wrench Evaluation. Our technicians connect professional diagnostic equipment, review vehicle data, and determine the most efficient path to identifying the cause of your concern. If additional testing is needed, we'll explain exactly why before moving forward.

15-Minute No-Wrench Evaluation
Professional Snap-on® & TOPDON® Scan Tools
Clear Explanation of Our Findings
Digital Vehicle Inspection with Photos
Additional Testing in 30-Minute Increments
Factory Information & Diagnostic Procedures
Honest Recommendations — Never High-Pressure Sales
3-Year / 36,000-Mile Nationwide Warranty on Qualified Repairs

Common Problems We Diagnose

Modern vehicles are complex, and warning lights don't always tell the whole story. Our diagnostic process identifies the root cause of the problem so you can make informed decisions with confidence.

Check Engine Light

We diagnose the cause of check engine lights, fault codes, and warning messages instead of simply clearing the light.

EVAP Leak Diagnostics

We use professional smoke-testing equipment to locate EVAP leaks quickly and accurately, helping eliminate recurring check engine lights and failed emissions tests.

Sensor & Electrical Testing

Faulty sensors, wiring, connectors, and electrical circuits can trigger warning lights and drivability problems. We test the system to identify the true cause.

Fuel System & Airflow Diagnostics

Fuel delivery, airflow, and emissions problems can affect performance, fuel economy, and drivability. We perform accurate testing before replacing components.

Advanced Scan Tool Diagnostics

Using professional Snap-on® and TOPDON® diagnostic equipment, we access manufacturer data, perform bidirectional testing, and pinpoint problems with accuracy.

Ignition & Misfire Diagnostics

Misfires aren't always caused by spark plugs. We diagnose ignition, fuel, compression, and control system issues to pinpoint the source of the problem.

Still Have Questions?

Not every warning light means a major repair—but it should never be ignored. If you have questions about your vehicle, give us a call. We'll explain what to expect, answer your questions, and help you decide the best next step.